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Posted by on Tuesday, February 19, 2013 at 5:18pm.

a=9 b=2 c=5 d=3

2ab to the second power - cd =

  • math - , Tuesday, February 19, 2013 at 5:20pm

    i got 1,281

  • math - , Tuesday, February 19, 2013 at 5:33pm

    Right.

  • math - , Tuesday, February 19, 2013 at 6:41pm

    Could be a problem here ....

    The way you said it according to the order of operation :
    2ab^2 - cd
    = 2(9)(2^2) - 5(3)
    = 72 - 15
    = 57

    The way it was interpreted:

    (2ab)^2 - cd
    = (2(9)(2))^2 - 5(3)
    = 36^2 - 15
    = 1281

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