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1.52 Underline the significant zeros in the following numbers: (a) 0.41; (b) 0.041; (c) 0.0410; (d) 4.0100×10“.

1.52 Underline the significant zeros in the following numbers: (a) 0.41; (b) 0.041; (c) 0.0410; (d) 4.0100×10“.

Chemistry
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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uie rage of more measurements, (2) brating the instrument; (3) taking fewer measurements? Explain. nific ergy 1.51 A newspaper reported that the attendance at Slippery Rock's home football game was 16,532. (a) How many significant figures does this number contain? (b) Was the actual number of people counted? (c) After Slippery Rock's next home game, the news- paper reported an attendance of 15,000. If you assume that this number contains two significant figures, how many people could actually have been at the game? (a) (b) (c) Skill-Building Exercises (grouped in similar pairs) 1.52 Underline the significant zeros in the following numbers: (a) 0.41; (b) 0.041; (c) 0.0410; (d) 4.0100×10“. whe 1.67 nifi 1.53 Underline the significant zeros in the following numbers: (a) 5.08; (b) 508; (c) 5.080x10°; (d) 0.05080. (a) 1.54 Round off each number to the indicated number of signifi- cant figures (sf): (a) 0.0003554 (to 2 sf); (b) 35.8348 (to 4 sf); (c) 22.4555 (to 3 sf). (b) (c) 1.55 Round off each number to the indicated number of signifi- cant figures (sf): (a) 231.554 (to 4 sf); (b) 0.00845 (to 2 sf); (c) 144,000 (to 2 sf). 1.6 (a) (b) (c) (d) 1.56 Round off each number in the following calculation to one fewer significant figure, and find the answer: 19 x 155 x 8.3 3.2 x 2.9 x 4.7 1.6 (a) sig (b) (c) (a) 1.57 Round off each number in the following calculation to one fewer significant figure, and find the answer: 10.8 x 6.18 X 2.381 24.3 x 1.8 x 19.5 1.58 Carry out the following calculations, making sure that your answer has the correct number of significant figures: 2.795 m x 3.10 m (a) Pre 1.7 wit 6.48 m (b) V =ar', where r= 17.282 mm (c) 1.110 cm + 17.3 cm + 108.2 cm +316 cm
Transcribed Image Text:uie rage of more measurements, (2) brating the instrument; (3) taking fewer measurements? Explain. nific ergy 1.51 A newspaper reported that the attendance at Slippery Rock's home football game was 16,532. (a) How many significant figures does this number contain? (b) Was the actual number of people counted? (c) After Slippery Rock's next home game, the news- paper reported an attendance of 15,000. If you assume that this number contains two significant figures, how many people could actually have been at the game? (a) (b) (c) Skill-Building Exercises (grouped in similar pairs) 1.52 Underline the significant zeros in the following numbers: (a) 0.41; (b) 0.041; (c) 0.0410; (d) 4.0100×10“. whe 1.67 nifi 1.53 Underline the significant zeros in the following numbers: (a) 5.08; (b) 508; (c) 5.080x10°; (d) 0.05080. (a) 1.54 Round off each number to the indicated number of signifi- cant figures (sf): (a) 0.0003554 (to 2 sf); (b) 35.8348 (to 4 sf); (c) 22.4555 (to 3 sf). (b) (c) 1.55 Round off each number to the indicated number of signifi- cant figures (sf): (a) 231.554 (to 4 sf); (b) 0.00845 (to 2 sf); (c) 144,000 (to 2 sf). 1.6 (a) (b) (c) (d) 1.56 Round off each number in the following calculation to one fewer significant figure, and find the answer: 19 x 155 x 8.3 3.2 x 2.9 x 4.7 1.6 (a) sig (b) (c) (a) 1.57 Round off each number in the following calculation to one fewer significant figure, and find the answer: 10.8 x 6.18 X 2.381 24.3 x 1.8 x 19.5 1.58 Carry out the following calculations, making sure that your answer has the correct number of significant figures: 2.795 m x 3.10 m (a) Pre 1.7 wit 6.48 m (b) V =ar', where r= 17.282 mm (c) 1.110 cm + 17.3 cm + 108.2 cm +316 cm
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