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12 September, 11:43

Evaluate 8a^3b^-2 for a=4 and b=-5

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Answers (2)
  1. 12 September, 14:43
    0
    Your answer is 20.48
  2. 12 September, 14:58
    0
    8 (4) ^3 (-5) ^-2

    Plug that into a calculator
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