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To multiply decimals, first ignore the decimal point.

For example: 5.3 x 4.2 = 22.26 on a calculator.

To manually reach the same answer:

Multiply without the decimal point: 53 x 42 = 2226

5.3 is 1 decimal point

4.2 is 1 decimal

Total is 2 decimal points, which makes the answer 22.26

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11y ago

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