Homework Answers
Rule for Multiplication and division:
The number of significant figure in result is minimum of number of significant figures in either operand
5.231 has 4 significant figures
6.24 has 3 significant figures
1.2 has 2 significant figures
So, result will have 2 significant figures
Answer: 2
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How many significant figures are there after carrying out the following calculation? (5.231 mm)(6.24 mm)(1.2 mm)...
How many of the following measurements contain 3 significant Figures? 0.408g 9.040 K 0.0400ms 9.05 times...
How many of the following measurements contain 3 significant Figures? 0.408g 9.040 K 0.0400ms 9.05 times 10^24 m The correct answer for the addition of 7.5 g + 226 g + 1.311g + 2.g is _____. 13.07g 13.071 g 13g 13.1 g 10 g How many significant figures should be reported in the answer to the following calculation? 121 cm times 0.86 cm times 4.95687 cm = _____ cm^3. 3 5 none of the other given answers 4
Significant Figure Questions 1. How many significant figures are in each of the following numbers? 2430...
Significant Figure Questions 1. How many significant figures are in each of the following numbers? 2430 0.0251 3 1.010 x 10 243.0 0.0040 900.0 243 7063.1 2.7000 5.98 x 103 2. Using standard scientific notation express 0.14503 meters in: em with 2 signíficant figures km with 4 significant figures 3. Express the following in scientific notation: 6795 to three significant figures 0.42885 to four significant figures
To how many significant figures should each answer be rounded? (6.626 x 10-34 J·s) (2.9979 x...
To how many significant figures should each answer be rounded? (6.626 x 10-34 J·s) (2.9979 x 10 m/s) = 4.880610663391 x 10-19 J(unrounded) 4.070 x 10-'m equation A: After rounding, the answer to equation A should have 5 significant figures. 2 significant figures. O 1 significant figure. O 3 significant figures 4 significant figures. equation B: (6.022 x 1023 atoms/mol) (0.935 g) 20.18 g/mol = 2.790 x 10” atoms (unrounded) After rounding, the answer to equation B should have O...
Determine the answer to the following equation with correct number of significant figures: (4.123x0.12) + 1.2...
Determine the answer to the following equation with correct number of significant figures: (4.123x0.12) + 1.2 x 0.55 = none of these 1.16 1.15 1.2 0 1.155
Question 26 (5 points) Saved The following calculation is carried out reported to the correct number...
Question 26 (5 points) Saved The following calculation is carried out reported to the correct number of significant figures. (12.25 + 1.00008)x(1.1) = How many significant figures should the final answer be rounded to? 2. 4 6
How many significant figures are in the following quantity: 0.00654 s a. 1 b. 2 c....
How many significant figures are in the following quantity: 0.00654 s a. 1 b. 2 c. 3 d. 4
Express the result of the following calculation to the proper number of significant figures: (50.19) -...
Express the result of the following calculation to the proper number of significant figures: (50.19) - (796x 10-4) = 50.110 50. 50.11
To what decimal place should each answer be rounded? How many significant figures does the rounded...
To what decimal place should each answer be rounded? How many significant figures does the rounded answer have? a 9 cm + 2.8 cm-11.8 cm (unrounded) O 1 significant figure 2 significant figures O 3 significant figures o ones place er rounding, the number O tenths place and thus has should be reported to the O hundredths place b 0.135 atm 0.6 atm-0.735 atm (unrounded) O 1 significant figure. and thus has2 significant figures 3 significant figures O ones place...
(0.110g*100%)/2.224g I am trying to figure out how many significant figures the final answer 4.946% should...
(0.110g*100%)/2.224g I am trying to figure out how many significant figures the final answer 4.946% should use. An explanation would be great.
2.9 How many significant figures are in each of the following? a. 11.005 g b. 0.000...
2.9 How many significant figures are in each of the following? a. 11.005 g b. 0.000 32 m c. 36 000 000 km d. 1.80 X 104 kg e. 0.8250 L f. 30.0°C How many significant figures are in each of the following? a. 20.60 mL b. 1036.48 kg c. 4.00 m d. 20.8 °C e. 60 800 000 g f. 5.0 x 10-3L 2.18 2.10
How many of the following measurements contain 3 significant Figures? 0.408g 9.040 K 0.0400ms 9.05 times 10^24 m The correct answer for the addition of 7.5 g + 226 g + 1.311g + 2.g is _____. 13.07g 13.071 g 13g 13.1 g 10 g How many significant figures should be reported in the answer to the following calculation? 121 cm times 0.86 cm times 4.95687 cm = _____ cm^3. 3 5 none of the other given answers 4
Significant Figure Questions 1. How many significant figures are in each of the following numbers? 2430 0.0251 3 1.010 x 10 243.0 0.0040 900.0 243 7063.1 2.7000 5.98 x 103 2. Using standard scientific notation express 0.14503 meters in: em with 2 signíficant figures km with 4 significant figures 3. Express the following in scientific notation: 6795 to three significant figures 0.42885 to four significant figures
To how many significant figures should each answer be rounded? (6.626 x 10-34 J·s) (2.9979 x 10 m/s) = 4.880610663391 x 10-19 J(unrounded) 4.070 x 10-'m equation A: After rounding, the answer to equation A should have 5 significant figures. 2 significant figures. O 1 significant figure. O 3 significant figures 4 significant figures. equation B: (6.022 x 1023 atoms/mol) (0.935 g) 20.18 g/mol = 2.790 x 10” atoms (unrounded) After rounding, the answer to equation B should have O...
Determine the answer to the following equation with correct number of significant figures: (4.123x0.12) + 1.2 x 0.55 = none of these 1.16 1.15 1.2 0 1.155
Question 26 (5 points) Saved The following calculation is carried out reported to the correct number of significant figures. (12.25 + 1.00008)x(1.1) = How many significant figures should the final answer be rounded to? 2. 4 6
How many significant figures are in the following quantity: 0.00654 s a. 1 b. 2 c. 3 d. 4
Express the result of the following calculation to the proper number of significant figures: (50.19) - (796x 10-4) = 50.110 50. 50.11
To what decimal place should each answer be rounded? How many significant figures does the rounded answer have? a 9 cm + 2.8 cm-11.8 cm (unrounded) O 1 significant figure 2 significant figures O 3 significant figures o ones place er rounding, the number O tenths place and thus has should be reported to the O hundredths place b 0.135 atm 0.6 atm-0.735 atm (unrounded) O 1 significant figure. and thus has2 significant figures 3 significant figures O ones place...
2.9 How many significant figures are in each of the following? a. 11.005 g b. 0.000 32 m c. 36 000 000 km d. 1.80 X 104 kg e. 0.8250 L f. 30.0°C How many significant figures are in each of the following? a. 20.60 mL b. 1036.48 kg c. 4.00 m d. 20.8 °C e. 60 800 000 g f. 5.0 x 10-3L 2.18 2.10
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