1. Round the following numbers to the number of significant figures indicated: a) 345 (2 s.f.) _350 d) 8.005 (3 s.f) 8.01 b) 7850 (1 s.f.) 8000 e) 0.005758 (3 s.f) _0.00576_ c) 24.68 (3 s.f) f) 1.25x1012 (2 s.f) 24.7 2. Express the answer to each of the following calculations with the correct number of significant figures. а) 3.42 + 8.132 f) 3.882 2.1 b) 4.9 +3.822 g) 4.894 - 2.03 c) 17.8 + 12.115 h) 15.6600 12.838 d) 4.55 + 3.45 i) 11.22 - 8.8 e) 1.966 + 3.4422 j) 133 - 20 3. Express the answer to each of the following calculations with the correct number of significant figures. a) 1.2 x 1.3 f) 32.88 / 4.38 b) 2.16 х 1.8 g) 16.590 / 1.8

1. Round the following numbers to the number of significant figures indicated: a) 345 (2 s.f.) _350 d) 8.005 (3 s.f) 8.01 b) 7850 (1 s.f.) 8000 e) 0.005758 (3 s.f) _0.00576_ c) 24.68 (3 s.f) f) 1.25x1012 (2 s.f) 24.7 2. Express the answer to each of the following calculations with the correct number of significant figures. а) 3.42 + 8.132 f) 3.882 2.1 b) 4.9 +3.822 g) 4.894 - 2.03 c) 17.8 + 12.115 h) 15.6600 12.838 d) 4.55 + 3.45 i) 11.22 - 8.8 e) 1.966 + 3.4422 j) 133 - 20 3. Express the answer to each of the following calculations with the correct number of significant figures. a) 1.2 x 1.3 f) 32.88 / 4.38 b) 2.16 х 1.8 g) 16.590 / 1.8

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter3: Matter

Section: Chapter Questions

Problem 16CR

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