Question

FIND X IF 9X OF 3POWER4 =81 POWER 5

Answer 1

$9x \times 3^4=81^5 \\ \\ x(9 \times 3^4)=(3^4)^5 \\ \\ x(3^2 \times 3^4)=3^{20} \\ \\ 3^6 x=3^{20} \\ \\ x=\frac{3^{20}}{3^6} \\ \\ x=\bold{3^{14}}$

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