2017 AMC 8 Problems/Problem 3

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Problem 3

What is the value of the expression $\sqrt{16\sqrt{8\sqrt{4}}}$?

$\textbf{(A) }4\qquad\textbf{(B) }4\sqrt{2}\qquad\textbf{(C) }8\qquad\textbf{(D) }8\sqrt{2}\qquad\textbf{(E) }16$

Solution

To solve the equation$\sqrt{16\sqrt{8\sqrt{4}}}$. The square root of four is $2$. Multiply this by $8$ to get $16$, and the square root of sixteen is $4$, and multiply this by $16$ to get $64$. The square root of $64$ is $8$, hence the answer (C).

~pegasuswa

See Also

2017 AMC 8 (ProblemsAnswer KeyResources)
Preceded by
Problem 2
Followed by
Problem 4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
All AJHSME/AMC 8 Problems and Solutions

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