math

I am having trouble with decimals. If i add 8+3+0.9+0.31=51 am i correct

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  1. No. You are not correct.

    You only have two whole numbers. They add up to 11.

    You have two numbers less than one.

    . 0.90
    + 0.31
    _______
    = 1.21

    11 + 1.21 = ?

    Think of money.

    8 dollars + 3 dollars + 90 cents + 31 cents.

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    Ms. Sue
  2. the decimal places must be on the same line when adding.
    so it should look like this
    .9
    .31
    8.0
    +3.0
    ______

    i hope that helped..!

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