64 negative cubed divided by 4 to the negative fifth.

the answer is 1/256.

Everytim I do this problem i keep getting 256. Can anyone help me?? PLEASE :)

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  1. (64^-3)

    is the same as

    but 64 = 8*8 = 4*4*4 = 4^3
    so we really have
    which is
    which is
    wich is
    which is
    1/256 yes, they won

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  2. Thank you :)

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