If 3x =81 find the value of 3x which power is - 6
sony2005:
3x^6 or (3x)^6
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3x= 81
x=27
(3x)^-6=?
1/(3x)^6
1/729x^6
729x^-6
________
3x^-6
3/x^6
x=27
(3x)^-6=?
1/(3x)^6
1/729x^6
729x^-6
________
3x^-6
3/x^6
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