Evaluate the expression 3.14(a2 + ab) when a = 4 and b = 3. (Input decimals only, such as 12.71, as the answer.)
2 answers:
Answer:
87.92
Step-by-step explanation:
3.14(a² + ab)
= 3.14 (4² + 4 × 3)
= 3.14 (16 + 12)
= 3.14 × 28
= 87.92
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