SOLUTION: Explain how you solve 2 over 7 (as a fraction) thats inside parentheses with an exponent of negative 4 that is outside of the parentheses.

Question 588842: Explain how you solve 2 over 7 (as a fraction) thats inside parentheses with an exponent of negative 4 that is outside of the parentheses.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Explain how you solve 2 over 7 (as a fraction) thats inside parentheses with an exponent of negative 4 that is outside of the parentheses.
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(2/7)^-4=1/(2/7)^4=1/(2^4)/(7^4)=1/(16/2401)=2401/16
note: a short cut rule is that if you move a fraction down to the denominator, its reciprocal becomes the answer as in this case.
(2/7)^-4=(7/2)^4=2401/16
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