MCQ
If $\left(3^3\right)^2=9^x$ then $5^x=$ ?
 
  • A
    $1$
  • B
    $5$
  • C
    $25$
  • $125$

Answer

Correct option: D.
$125$

$\left(3^3\right)^2=9^x$
$\Rightarrow\left(3^2\right)^3=\left(3^2\right)^x$
$\Rightarrow x=3$
Then $5^x=5^3=125$
Hence, the correct option is $(d).$

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