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22 September, 12:18

Evaluate the expression 3.14 (a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)

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  1. 22 September, 12:28
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    3.14 (a2+ab)

    3.14 (3 (2) + 3 (4)

    3.14 + 6+12

    3.14+18

    21.14 I think that's it sorry if it's not.
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