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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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Chapter 2 Solutions
Pearson eText Basic Chemistry -- Instant Access (Pearson+)
- I 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_forwardCarry 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_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
- Calculate 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_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_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_forwardQ.1. A student obtains the number 0.40076 on a balance. 4.00 x10 If this number actually has (3) significant figures, how should it be written? 0.400 0.4007 0.401 Q.2. Convert 5324 mL to m' (1000 L=1 m') 5.324 x10 5.324 5.324x10' 0.5324x10 Q.3. A student wants 25.0 g of acetone for a chemical 31.605 mL reaction. If the density of acetone is 0.791 g/mL, how many milliliters of acetone are needed? (take care about significant figures) 0.316 x10 19.7 19.77 Multiple optionalarrow_forward
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