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15 June, 22:23

Evaluate the expression 3.14 (a2 + ab) when a = 4 and b = 2.

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Answers (2)
  1. 15 June, 22:28
    0
    75.36

    Step-by-step explanation:

    Given

    3.14 (a² + ab) ← substitute a = 4, b = 2 into the expression

    = 3.14 (4² + 4 (2)) = 3.14 (16 + 8) = 3.14 * 24 = 75.36
  2. 15 June, 22:52
    0
    263.76

    3.14x (42+42)

    3.14x82=263.76.
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