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SSSSS [86.1K]
3 years ago
12

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

Mathematics
2 answers:
GenaCL600 [577]3 years ago
6 0
3.14(3^2 +3(4)
3.14(9+12)
3.14(21)
65.94
Leokris [45]3 years ago
5 0
Substitute a and b and solve

3.14• (3•3+3•4)= 3.14• 21= 65.94
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