![6. 3pt Use your calculator to find the square root of 1.30× 1021 . As usual for CAPA, your answer only needs to be correct to 3 significant figures. 7. [3pt] If the answer to the previous problem is written in standard notation (that is, not scientific notation), what digit is in the thousands place?](http://img.homeworklib.com/questions/69107300-7499-11ea-b187-136253c0bdbd.png?x-oss-process=image/resize,w_560)
Homework Answers
Add Answer to:
6. 3pt Use your calculator to find the square root of 1.30× 1021 . As usual...
In a 2.86E+1 g sample of NaHCO3, how many grams of sodium are present? Use two...
In a 2.86E+1 g sample of NaHCO3, how many grams of sodium are present? Use two decimal places in atomic masses. Only give the numeric value of your answer. Don't include the units. i Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 105) In a 1.018E+2 g sample of iron(111) oxide, how many grams of iron are present? Your answer should have the...
What is the formula mass of sodium chloride (in units of g/mol)? Use two decimal places...
What is the formula mass of sodium chloride (in units of g/mol)? Use two decimal places in atomic masses. Only give the numeric value of your answer. o Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") Type your response
please do all the questions, thank you 2. Write the following numbers in Scientific Notation in...
please do all the questions, thank you
2. Write the following numbers in Scientific Notation in Standard Form (one digit to the left of the decimal): a) 0.0020036 b) 345.0 c) 0,00675x10 d) 456.0x10 3. Solve (Answer should have correct number of significant figures, and be in Standard Form): 3.00x10" 6,0x10 b) 2.00x10" (5.0x10)- e) (16.0x10) - d) 0.01 + 3 + 4573 +0.1 - e) 6,0x10'+2.3x10'+4,002x10 - You may use a calculator from this point on! 4. Use your...
(6 pts) Give your answer in the correct number of de fiets scientific notation only when...
(6 pts) Give your answer in the correct number of de fiets scientific notation only when we wse your calculator if you wish but remember that your calculator does NOT figure our sig. fig. A. 48.32 - 48.31 = B. 7.5+5.3 7.83 4.64 x 10-39 39.86 x 1042 x 21.6 x 10-28 8.(2 pts) Do the following calculations. Treat all the numbers as being "exact". Ans. 8-5x 3 + 7 (5+ 3) + 2 = 9. (2 pts) Solve for...
Diprotic acid (H2A), Part II (Homework) Homework. Unanswered For carbonic acid, Kail = 4,5 x 10-7. What is t...
Diprotic acid (H2A), Part II (Homework) Homework. Unanswered For carbonic acid, Kail = 4,5 x 10-7. What is the (HCO3-) in a 0.10 M carbonic acid solution? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g, 2.5E5 for 2.5 x 10" Numeric Answer: Unanswered * Submit Diprotic Acid (H2A), Part 1 (Homework) Homework . Unanswered For carbonic acid, Kal = 4.5x 10-7. What is the pH of a 0.10...
Answer question 2 fully please and show work Instructions: Please place your results on the answer...
Answer question 2 fully please and show work
Instructions: Please place your results on the answer sheet provided in the correct number of significant figures and units. You may only use a scientific calculator and the provided formula sheet. Show your work in the test booklet. (1) Suppose an object of height 10 cm is placed 20 cm in front of a concave mirror of focal length 40 cm. Determine the characteristics of the image formed by ray tracing. Let...
QUESTION 7 Select the correct procedure for creating a dilute solution from a stock solution None...
QUESTION 7 Select the correct procedure for creating a dilute solution from a stock solution None of these O Place the solvent in the glassware and then add an aliquot of the stock solution to fill to the mark O Place an aliquot of the stock solution in the glassware and then fill to the mark with the necessary solvent. QUESTIONS Determine how many milliliters of a solution that is 1.00 x 10 Min copper ions is required to make...
i need help with 1-6 i need help with questions 1-6 Question 1 8 pts Choose...
i need help with 1-6
i need help with questions 1-6
Question 1 8 pts Choose the best classification for each of the following substances. a) a substance made from the combination of group 1A element and a group 7A element [Select) > b) [Select) c) [Select) d) C10HSCIN2 (Select) Question 1 Choose the best classification for each of the following substances. a) a substance made from the combination of group 1A element and a group 7A eleme [Select] S...
I answered the First one that was making this table. I'm stuck after. 1 Year Population...
I answered the First one that was making this table. I'm stuck after. 1 Year Population 2000 6 x 109 2050 12 x 109 = 1.2 x 1010 2100 24 x 109 = 2.4 x 1010 2150 48 x 109 =4.8 x 1010 2200 96 x 109 = 9.6 x1010 2250 192 x 109 = 1.92 x 1011 2300 384 x 109 = 3.84 x 1011 2350 768 x 109 = 7.68 x 1011 2400 1536 x 109 = 1.536...
please show work/calculator steps III. Short Answer: Place your final answers in the blanks provided. (#6...
please show work/calculator steps
III. Short Answer: Place your final answers in the blanks provided. (#6 & #7 are worth 10 pts. each) 6. You wish to invest in socially responsible stocks but fear that they may be overpriced as measured by the P/E, the Price-to-Earnings ratio. The average P/E Ratio for the S&P Index is 15.74, and the standard deviation is not known. You take a random sample of 32 socially conscious stocks and find the P/E sample mean...
In a 2.86E+1 g sample of NaHCO3, how many grams of sodium are present? Use two decimal places in atomic masses. Only give the numeric value of your answer. Don't include the units. i Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 105) In a 1.018E+2 g sample of iron(111) oxide, how many grams of iron are present? Your answer should have the...
What is the formula mass of sodium chloride (in units of g/mol)? Use two decimal places in atomic masses. Only give the numeric value of your answer. o Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") Type your response
please do all the questions, thank you
2. Write the following numbers in Scientific Notation in Standard Form (one digit to the left of the decimal): a) 0.0020036 b) 345.0 c) 0,00675x10 d) 456.0x10 3. Solve (Answer should have correct number of significant figures, and be in Standard Form): 3.00x10" 6,0x10 b) 2.00x10" (5.0x10)- e) (16.0x10) - d) 0.01 + 3 + 4573 +0.1 - e) 6,0x10'+2.3x10'+4,002x10 - You may use a calculator from this point on! 4. Use your...
(6 pts) Give your answer in the correct number of de fiets scientific notation only when we wse your calculator if you wish but remember that your calculator does NOT figure our sig. fig. A. 48.32 - 48.31 = B. 7.5+5.3 7.83 4.64 x 10-39 39.86 x 1042 x 21.6 x 10-28 8.(2 pts) Do the following calculations. Treat all the numbers as being "exact". Ans. 8-5x 3 + 7 (5+ 3) + 2 = 9. (2 pts) Solve for...
Diprotic acid (H2A), Part II (Homework) Homework. Unanswered For carbonic acid, Kail = 4,5 x 10-7. What is the (HCO3-) in a 0.10 M carbonic acid solution? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g, 2.5E5 for 2.5 x 10" Numeric Answer: Unanswered * Submit Diprotic Acid (H2A), Part 1 (Homework) Homework . Unanswered For carbonic acid, Kal = 4.5x 10-7. What is the pH of a 0.10...
Answer question 2 fully please and show work
Instructions: Please place your results on the answer sheet provided in the correct number of significant figures and units. You may only use a scientific calculator and the provided formula sheet. Show your work in the test booklet. (1) Suppose an object of height 10 cm is placed 20 cm in front of a concave mirror of focal length 40 cm. Determine the characteristics of the image formed by ray tracing. Let...
QUESTION 7 Select the correct procedure for creating a dilute solution from a stock solution None of these O Place the solvent in the glassware and then add an aliquot of the stock solution to fill to the mark O Place an aliquot of the stock solution in the glassware and then fill to the mark with the necessary solvent. QUESTIONS Determine how many milliliters of a solution that is 1.00 x 10 Min copper ions is required to make...
i need help with 1-6
i need help with questions 1-6
Question 1 8 pts Choose the best classification for each of the following substances. a) a substance made from the combination of group 1A element and a group 7A element [Select) > b) [Select) c) [Select) d) C10HSCIN2 (Select) Question 1 Choose the best classification for each of the following substances. a) a substance made from the combination of group 1A element and a group 7A eleme [Select] S...
please show work/calculator steps
III. Short Answer: Place your final answers in the blanks provided. (#6 & #7 are worth 10 pts. each) 6. You wish to invest in socially responsible stocks but fear that they may be overpriced as measured by the P/E, the Price-to-Earnings ratio. The average P/E Ratio for the S&P Index is 15.74, and the standard deviation is not known. You take a random sample of 32 socially conscious stocks and find the P/E sample mean...
Most questions answered within 3 hours.
-
suppose a research organization conducts of annual expenditures.
The sampling bias of one sort or another...
asked 6 minutes ago -
A positive charge traveling along a magnetic field experiences
no magnetic force (True,False)
asked 13 minutes ago -
Propose a mechanism for the photoreduction of acetaphenone. How
many products can be formed? Draw their...
asked 12 minutes ago -
Fogerty Company makes two products—titanium Hubs and Sprockets.
Data regarding the two products follow:
Direct
Labor-Hours...
asked 15 minutes ago -
The correct answer will be upvoted with positive feedback,
giving me incorrect answers will result in...
asked 44 minutes ago -
Question:
Evaluation: Answer both (a) and (b): (a) Looking at
Table 6.1 in our text, explain...
asked 53 minutes ago -
What is the maximum number of edges that a graph on 7 vertices can
have if...
asked 1 hour ago -
Question 05
(a) i) What are the three type of general defects in welding?
ii) Explain...
asked 59 minutes ago -
If the wage rate increases from $12 to $16 and, as a result, the
quantity demanded...
asked 1 hour ago -
the slime layer external to the prokaryotic cell wall is called
the ?
asked 1 hour ago -
Cheyenne Company must decide whether to make or buy some of its
components. The costs of...
asked 1 hour ago -
What is the entropy change for mixing 1 liter of a monoatomic
ideal gas (call it...
asked 1 hour ago