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

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

User Esteban Brenes
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8.3k points

1 Answer

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3.14(3(2) + 3(4))
3.14( 6 + 12)
3.14(18)
=56.52
User Robert Wasmann
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9.0k points
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