Homework Answers
According to the rule of the significant figures the sum of two or more significant figures
B. should have the same number of decimal places as the significant figure with the least number of decimal places.
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4. The sum of two or more significant figures (1 point) A. O should have the...
Solve the problems and write the answers with significant figures. Remember that you will be utilizing...
Solve the problems and write the answers with significant figures. Remember that you will be utilizing the rules of addition for significant figures. Note: The answer to your addition calculation should be rounded to the same number of decimal places (not digits) as the measurement with the least number of decimal places. 7.35 grams + 23.1 grams = 0.0035 liters + 2.115 liters = 25 mm + 2.75 mm + 30 mm =
a. When 69.002 and 74.519 are multiplied the answer should have significant figure(s). Enter the answer,...
a. When 69.002 and 74.519 are multiplied the answer should have significant figure(s). Enter the answer, using the correct number of significant figures: 69.002 x 74.519 = - b. When 69.002 and 74.519 are summed, the answer should have _ digit(s) after the decimal point. Enter the answer, using the correct number of decimal places: 69.002 + 74.519 = Use The number 5.712392 rounded to 2 significant figures is: The number 451.6444 rounded to 5 significant figures is: The number...
a) A is a quantity with two significant figures. B has 4 significant figures. If C =...
a) A is a quantity with two significant figures. B has 4 significant figures. If C = A + B, D = A*B, and E=B/A What should the number of significant figures of C, D and E be? b) Compare and contrast the following pairs of definitions, one set at a time. For each set of definitions, describe what kind of measurements ( time, positions etc) must you do in order to compute the quantity based on their definitions. Be as...
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...
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...
Find the distance d. Review Express your answer using two significant figures. The point charges in...
Find the distance d. Review Express your answer using two significant figures. The point charges in the figure have the following values the magnitude of the net electrostatic force exerted on the point charge 92 in the figure is 0.60 N. (Figure 1) in Submit gure 1011 Part B What is the direction of the net force exerted on g2 the figure? Express your answer using two significant figures. 42 ° counterclockwise from right direction Submit Ans 43
Significant Figures
all about significant figures, learn to solve any significant figure questions from these study notes, easy to follow and understand.significant figures, rounding numbers, rounding significant figures, rounding, thousands, hundreds, tens digit, ones digit, tenths digit, hundredths, thousandths, decimal place, 1 decimal place, 2 decimal places, 3 decimal places, rounding to the nearest whole number
Expressed to the correct number of significant figures, the sum of two masses is 445.2 grams
Expressed to the correct number of significant figures, the sum of two masses is 445.2 grams. WHich two masses produce this answer?1) 210.10 g+235.100g2)210.100 g + 235.10 g3) 210.1 g + 235.1 g4) 210.10 g+ 235.10 gI think the answer is 2 but I don't know the reason why.
There are two rules for determining the number of significant figures: ) If there is no...
There are two rules for determining the number of significant figures: ) If there is no decimal point-start at the RIGHT and count, beginning with the first non-zero digit. Examples 340 30400 34955 2 sf. 3 sf. 5 sf 2) If there is a decimal point--start at the LEFT and count, beginning with the first non-zero digit. Examples 340 3 sf. 5 s.f. 5 s.f 2 sf. 30400. 0.34955 0.00040 Determine the number of significant figures (s.f.) in each of...
To how many significant figures should each answer be rounded? Equation A: (6.626× 10−34 J⋅s)(2.9979× 108...
To how many significant figures should each answer be rounded? Equation A: (6.626× 10−34 J⋅s)(2.9979× 108 m/s)4.290×10−7 m=4.630322937063×10−19 J(unrounded) After rounding, the answer to equation A should have *2 significant figures. *1 significant figure. *4 significant figures. *3 significant figures. *5 significant figures. Equation B: (6.022× 1023 atoms/mol)(0.795 g)20.18 g/mol=2.372×1022 atoms(unrounded) After rounding, the answer to equation B should have *1 significant figure. *3 significant figures. *5 significant figures. *2 significant figures. *4 significant figures.
a. When 69.002 and 74.519 are multiplied the answer should have significant figure(s). Enter the answer, using the correct number of significant figures: 69.002 x 74.519 = - b. When 69.002 and 74.519 are summed, the answer should have _ digit(s) after the decimal point. Enter the answer, using the correct number of decimal places: 69.002 + 74.519 = Use The number 5.712392 rounded to 2 significant figures is: The number 451.6444 rounded to 5 significant figures is: The number...
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...
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...
Find the distance d. Review Express your answer using two significant figures. The point charges in the figure have the following values the magnitude of the net electrostatic force exerted on the point charge 92 in the figure is 0.60 N. (Figure 1) in Submit gure 1011 Part B What is the direction of the net force exerted on g2 the figure? Express your answer using two significant figures. 42 ° counterclockwise from right direction Submit Ans 43
There are two rules for determining the number of significant figures: ) If there is no decimal point-start at the RIGHT and count, beginning with the first non-zero digit. Examples 340 30400 34955 2 sf. 3 sf. 5 sf 2) If there is a decimal point--start at the LEFT and count, beginning with the first non-zero digit. Examples 340 3 sf. 5 s.f. 5 s.f 2 sf. 30400. 0.34955 0.00040 Determine the number of significant figures (s.f.) in each of...
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