Question

If $4^x$ = 64, then find $x,2^{x}and{3}^x$

• A. Positive
• B. Negative
• C. Zero
• D. Fractional number

Answer 1

Answer: (A), (B), (C)

The correct options are
A

Positive

B

Negative

C

Zero

$4^x=64$
$\Rightarrow 4^x$=$4^3$ (as 64 is $4^3$ )
$\Rightarrow x=3$
Since $x=3$, $2^x=8$ and $3^x=27$