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Perform each of the following operations, and give each answer with the correct number of decimal places:
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Basic Chemistry
- Carry out the following multiplications and divisions, expressing your answer in scientific notation to the a correct number of significant figures.a. (3.20 × 107) × (1.720 × 105) b. (1.00 × 103) × (5.00 × 103) × (3.0 × 10−3) c. 3.0 3 10251.5 3 102d. 12.2 3 106 2 3 12.3 3 1026 211.2 3 1023 2 3 13.5 3 1023 2arrow_forwardCarry out each calculation and report the answer using the proper number of significant figures. a. 28.515 + 3.36 = b. 35. − 0.87 = c. 28.0414 + 27.34 =arrow_forwardI keep getting this wrong and have gone over the problem 6 times and cant figure out what im doing wrong. I thought the answer was 3.125 Calculate 5.1234 + 0.033 ÷ 1.650 and report to the correct number of significant figures. a. 5.143 b. 3.125 c. 5.1 d. 3.1arrow_forward
- Do the indicated arithmetic and give the answer to the correct number of significant figures. I. II. 0.71 + 92.2 III. 934 × 0.00435 + 107 IV. (847.89 - 847.73) + 14673arrow_forwardCarry out each calculation and give the answer using the proper number of signifi cant fi gures. a. 10.70 × 3.5 b. 0.206 ÷ 25,993 c. 1,300 ÷ 41.2 d. 120.5 × 26arrow_forwardCarry out each calculation and report the answer using the proper number of significant figures. d. 41.0 + 9.135 e. 694.2 x 0.20 f. 1,045 - 1.26arrow_forward
- (give clear handwritten answer of all subparts)Express the answers to the following operations with the proper number of significant figures. A. 87.4 + 1.3512 B. 429 − 410.8 C. 1.2362 − 1.09 D. 1.5162 + 0.19 + 0.0008arrow_forwardCalculate to the correct number of significant figures.a. 43.7 - 2.341 b. 17.6 + 2.838 + 2.3 + 110.77c. 19.6 + 58.33 - 4.974 d. 5.99 - 5.572arrow_forwardDo the following calculations to the correct number of significant figures: MUST follow the rules of SIGNIFICANT figures a.) 432/7.3-28.523 b.) 0.004 + 0.09879 c.)87.6 + 9.888 +2.3 + 100.77 d.) 5.01 x 105/7.8 x 102arrow_forward
- Do the following calculations to the correct number of significant figures: a.) 89.3 x 77.0 x 0.08 b.) 4.005 x 74 x 0.007 c.) 9.5 x 103/34.56 d.) 87.6 + 9.888+ 2.3 + 100.77arrow_forwardDo the following calculations to the correct number of significant figures: a.) 453/2.031 b.) 432/7.3-28.523 c.) 5.01 x 105/ 7.8 x 102 d.) 1459.3 + 9.77/ 4.32arrow_forward55. Round the number on the left to the number of significant figures indicated by the example in the first row. (Use scientific notation as needed to avoid ambiguity.) Rounded to Rounded to Rounded to 4 Significant 2 Significant 1 Significant Figures Number Figures Figure 1.45815 1.458 1.5 8.32466 84.57225 132.5512arrow_forward
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