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27 June, 14:27

Simplify the expression 8^2 + 9 (12:3*2) - 7 explain each of your steps.

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  1. 27 June, 14:55
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    8^2+9 (12/3*2) - 7

    do parenthesis first (from left to right)

    8^2 + 9 (8) - 7

    do the ^2 and the multiplication next

    64 + 72 - 7

    do addition then subtraction

    136-7 = 129
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