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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) After rounding, the number should be reported to the hundredths place. tenths place. ones place. Thus, the number has 2 significant figures. 3 significant figures. 1 significant figure. B. 0.135 atm+0.6 atm=0.735 atm(unrounded) After rounding, the number should be reported to the tenths place. hundredths place. ones place. Thus, the number has 1 significant figure. 2 significant figures. 3 significant figures.

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) After rounding, the number should be reported to the hundredths place. tenths place. ones place. Thus, the number has 2 significant figures. 3 significant figures. 1 significant figure. B. 0.135 atm+0.6 atm=0.735 atm(unrounded) After rounding, the number should be reported to the tenths place. hundredths place. ones place. Thus, the number has 1 significant figure. 2 significant figures. 3 significant figures.

Chemistry In Focus
Chemistry In Focus
7th Edition
ISBN:9781337399692
Author:Tro, Nivaldo J.
Publisher:Tro, Nivaldo J.
Chapter9: Energy For Today
Section: Chapter Questions
Problem 14E
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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)
After rounding, the number should be reported to the
hundredths place.
tenths place.
ones place.
Thus, the number has
2 significant figures.
3 significant figures.
1 significant figure.
B. 0.135 atm+0.6 atm=0.735 atm(unrounded)
After rounding, the number should be reported to the
tenths place.
hundredths place.
ones place.
Thus, the number has
1 significant figure.
2 significant figures.
3 significant figures.
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