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1.0 X 21 = 21 or 210 because of the decimal point, I just don't remenber how the decimal point works.

  • decimals -

    Here's one way of looking at it.

    If you buy something for $1.25, you know you are going to pay a one dollar bill and a 25-cent piece (a quarter). The decimal comes after the whole number.

    So 1.0 is the same as 1.

    1 * 21 = 21

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