SOLUTION: 27^-2/3 * 9
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Question 204129: 27^-2/3 * 9
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
27^(-2/3) *9
.
3^(-2) *9
.
9^(-1)*9
.
1/9 *9 =1
.
Remember, 27^(1/3) = cube root of 27 =3
.
3^2 =9
.
a^-b =1/a^b
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