To how many significant figures should each answer be rounded?(6.626x 10-34 J. s) (2.9979x 10° m/s)equation A:4.430 x 10-7 m= 4,483992189616 x 10-19 J (unrounded)After rounding, the answer to equation A should have1 significant figure.4 significant figures.2 significant figures.3 significant figures.5 significant figures.(6.022x 1023 atoms/mol) (0.653 g)20.18 g/mol= 1.949 x 1022 atoms (unrounded)equation B:After rounding, the answer to equation B should have

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To how many significant figures should each answer be rounded? (6.626x 10-34 J. s) (2.9979x 10% m/s) equation A: 4.430 x 10-7 m = 4,483992189616 × 10-19 J (unrounded) After rounding, the answer to equation A should have O 1 significant figure. 4 significant figures. O 2 significant figures. 3 significant figures. 5 significant figures. (6.022x 1023 atoms/mol) (0.653 g) 20.18 g/mol = 1.949 x 1022 atoms (unrounded) equation B: After rounding, the answer to equation B should have O O

To how many significant figures should each answer be rounded? (6.626x 10-34 J. s) (2.9979x 10% m/s) equation A: 4.430 x 10-7 m = 4,483992189616 × 10-19 J (unrounded) After rounding, the answer to equation A should have O 1 significant figure. 4 significant figures. O 2 significant figures. 3 significant figures. 5 significant figures. (6.022x 1023 atoms/mol) (0.653 g) 20.18 g/mol = 1.949 x 1022 atoms (unrounded) equation B: After rounding, the answer to equation B should have O O

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter2: Measurements In Chemistry

Section: Chapter Questions

Problem 2.89EP

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1-26 How many significant figures are in the following? (a) 5.71 × 1013 (b) 4.4 × 105 (c) 3 × 10-6 (d) 4.000 × 10-11 (e) 5.5550 × 10-3
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To how many significant figures should each answer be rounded? (6.626 x 10-ª J .s) (2.9979 × 10% m/s) equation A: = 4.385007814570 × 10-19 J (unrounded) 4.530 x 10-7 After rounding, the answer to equation A should have O 1 significant figure. 4 significant figures. O 5 significant figures. 2 significant figures. 3 significant figures.
To how many significant figures should each answer be rounded? equation A: (6.626× 10−34 J⋅s)(2.9979× 108 m/s)4.650×10−7 m=4.271846322581×10−19 J(unrounded) After rounding, the answer to equation A should have 1 significant figure. 2 significant figures. 3 significant figures. 5 significant figures. 4 significant figures. equation B: (6.022× 1023 atoms/mol)(0.787 g)20.18 g/mol=2.349×1022 atoms(unrounded) After rounding, the answer to equation B should have 2 significant figures. 3 significant figures. 5 significant figures. 4 significant figures. 1 significant figure.
To how many significant figures should each answer be rounded? (6.626x 10-34 J . s) (2.9979x 10% m/s) equation A: = 4.483992189616 x 10-19 J (unrounded) 4.430 x 10-7 m After rounding, the answer to equation A should have O 1 significant figure. O 4 significant figures. O 2 significant figures. O 3 significant figures. O 5 significant figures. (6.022x 1023 atoms/mol) (0.653 g) 20.18 g/mol = 1.949 x 1022 atoms (unrounded) equation B: After rounding, the answer to equation B should have
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