Explain how you know the numbers of the decimal places that should be in the product when you multiply two decimal numbers together

0.214 * 0.32 = 0.06848 (3 + 2 = 5 decimal places)

0.7 * 0.11 = 0.077 (1 + 2 = 3 decimal places)

Step-by-step explanation:

Let's remember that multiplying decimals is the same as multiplying whole numbers except that you have to put the decimal point in the answer. When you multiply decimals, the decimal point is placed on the product so that the number of decimal places in the product is the sum of the decimal positions of the factors.

Example:

214 * 32 = 6,848

0.214 * 0.32 = 0.06848 (3 + 2 = 5 decimal places)

7 * 11 = 77

0.7 * 0.11 = 0.077 (1 + 2 = 3 decimal places)

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step-by-step explanation:

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70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70