anonymous
  • anonymous
simplify 1. (1/7)-^2 2. -7^2 3. (-7)^2
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
the answer is # 1
anonymous
  • anonymous
3 separate problems
anonymous
  • anonymous
oh so what have you done so far? what part are you lost?

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anonymous
  • anonymous
i seems like all are either -1/-49 or -49.
anonymous
  • anonymous
hmm ok for number 1 when you have anything like this \[A ^{-b}\] = \[\frac{1}{A^b}\] so for the first do that and it should be easy to solve it
anonymous
  • anonymous
for the second the - sign is outside the 7 so you scared 7 first and then multiply it with the - sign
anonymous
  • anonymous
for the third its simply (-7) *(-7)
anonymous
  • anonymous
a. = \[\frac{1}{49} \] b. = \[-49\] c. = 49

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