Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.) Answer for Blank 1:

asked Jul 25, 2019 171k views

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

Answer for Blank 1:

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3 votes

Substitute a and b and solve

3.14• (3•3+3•4)= 3.14• 21= 65.94

Phtrivier answered Jul 26, 2019

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1 vote

3.14(3^2 +3(4)
3.14(9+12)
3.14(21)
65.94

8.4k points

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