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Explain how to mentally multiply a decimal by 100

Explain how to mentally multiply a decimal by 100
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Explain how to mentally multiply a decimal by 100

User Yudong Li
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you can just mentally move the decimal to the two spaces.

For example, if you have 0.02, and you want to multiply by 100, then you move the decimal point to the write two spaces to get 2.
User DanTan
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