A) 14
B) 16
C) 18
D) 20
Correct Answer: B
Solution :
\[\sqrt{{{2}^{x}}}=256\] \[\Rightarrow \] \[{{2}^{\frac{x}{2}}}={{2}^{8}}\] \[\Rightarrow \] \[\frac{x}{2}=8\] \[\Rightarrow \] \[x=16\]You need to login to perform this action.
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