Write an Equivalent Expression in Exponential Form $\log _ { 4 } \sqrt { 410 } = x$

Multiple Choice

Write an equivalent expression in exponential form.
- $\log _ { 4 } \sqrt { 410 } = x$

A) $\{ 20 \}$
B) $\{ 5 \}$
C) $\{ 40 \}$
D) $\{ \sqrt { 5 } \}$