MathRevolution wrote:
\(√m^4=64\) and m>0, what is the value of cubic root of m?
A. 1
B. 2
C. 4
D. 8
E. 16
Let’s solve for m:
√(m^4) = 64
(m^4)^(½) = 64
m^2 = 64
|m| = √64
|m| = 8
m = 8 or m = -8
Since m > 0, m = 8.
Thus, the cube root of m is 2.
Answer: B
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