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EXAMPLE 1

+ 2 decimal places. 0.41. EXAMPLE 1. Multiplying Decimals. 5.82. 2 decimal places. 582. 2328. 2.3862. 4 decimal places. 18. + 0 decimal places. 645. ANSWER. 6.45 18 = 116.1. Check: Because 6 20 = 120 , the product is reasonable. EXAMPLE 2. Multiplying Decimals. a. 6.45.

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EXAMPLE 1

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  1. +2 decimal places 0.41 EXAMPLE 1 Multiplying Decimals 5.82 2 decimal places 582 2328 2.3862 4 decimal places

  2. 18 +0 decimal places 645 ANSWER 6.4518=116.1 Check: Because620=120, the product is reasonable. EXAMPLE 2 Multiplying Decimals a. 6.45 2 decimal places 5160 116.10 2 decimal places

  3. 0.06 + 2 decimal places ANSWER 1.2730.06=0.07638 Check: Because 10.06=0.06, the product is reasonable. EXAMPLE 2 Multiplying Decimals b. 1.273 3 decimal places 0.07638 5decimal places

  4. 1. 1.4 7.2 2. 0.98 0.21 3. 2.351 1.6 ANSWER ANSWER ANSWER 10.08 0.2058 3.7616 EXAMPLE 2 GUIDED PRACTICE for Examples 1 and 2 Find the product. Then check that your answer is reasonable.

  5. ANSWER ANSWER ANSWER 8.476 2.108 4.0424 EXAMPLE 2 GUIDED PRACTICE for Examples 1 and 2 Evaluate the expression when m=3.26 and n=1.24. 4. 2.6 m 5. 1.7 n 6. mn

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