Question

Evaluate the exponential expression $x^5$ × $x^4$, for$x=2$.

• A. 32
• B. 128
• C. 256
• D. 512

Answer 1

The correct option is D

512

$x^5$ × $x^4$, for $x=2$
Substituting $2$ in place of $x$
= $2^5$× $2^4$
= $2^9$ =$512$