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Mathematics, 12.12.2020 15:50 damondgriswold12

When we mentally multiply 15 by 10 we can simply attach 0 to 15 to make the product 150 when we multiply 1.5 by 10 why can't we attach zero to make the product 1.50

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When we mentally multiply 15 by 10 we can simply attach 0 to 15 to make the product 150 when we mult...
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