11 of 26To how many significant figures should each answer be rounded?(6.626 × 10-34 J •s) (2.9979 × 10% m/s)equation A:4.890 × 10-7 m4.062185153374 x 10-19 J (unrounded)After rounding, the answer to equation A should haveO1 significant figure.O5 significant figures.O2 significant figures.O3 significant figures.04 significant figures.(6.022 x 1023 atoms/mol) (0.855 g)20.18 g/mol= 2.551 × 1022 atoms (unrounded)%3Dequation B:contact ushelpterms of usecareersprivacy policyabout us 03 significant figures.O4 significant figures.(6.022 x 1023 atoms/mol) (0.855 g)Iquation B:20.18 g/mol= 2.551 x 1022 atoms (unrounded)After rounding, the answer to equation B should haveO 3 significant figures.O 4 significant figures.O 2 significant figures.O 5 significant figures.O1 significant figure.helpprivacy policy terms of use contact usabout uscareers

Answered: Image /qna-images/answer/44abd353-4a34-444f-a4f9-12b4c5ab936e.jpg

To how many significant figures should each answer be rounded? (6.626 x 10-34 J . s) (2.9979 × 10° m/s) equation A: = 4.062185153374 x 10-19 J (unrounded) 4.890 x 10- m After rounding, the answer to equation A should have O 1 significant figure. O 5 significant figures.

To how many significant figures should each answer be rounded? (6.626 x 10-34 J . s) (2.9979 × 10° m/s) equation A: = 4.062185153374 x 10-19 J (unrounded) 4.890 x 10- m After rounding, the answer to equation A should have O 1 significant figure. O 5 significant figures.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

11 of 26
To how many significant figures should each answer be rounded?
(6.626 × 10-34 J •s) (2.9979 × 10% m/s)
equation A:
4.890 × 10-7 m
4.062185153374 x 10-19 J (unrounded)
After rounding, the answer to equation A should have
O1 significant figure.
O5 significant figures.
O2 significant figures.
O3 significant figures.
04 significant figures.
(6.022 x 1023 atoms/mol) (0.855 g)
20.18 g/mol
= 2.551 × 1022 atoms (unrounded)
%3D
equation B:
contact us
help
terms of use
careers
privacy policy
about us

03 significant figures.
O4 significant figures.
(6.022 x 1023 atoms/mol) (0.855 g)
Iquation B:
20.18 g/mol
= 2.551 x 1022 atoms (unrounded)
After rounding, the answer to equation B should have
O 3 significant figures.
O 4 significant figures.
O 2 significant figures.
O 5 significant figures.
O1 significant figure.
help
privacy policy terms of use contact us
about us
careers

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