The expression (x^13)(x^4)^2 is equivalent to x^p. What is the value of p?

A. 9
B. 21
C. 29
D. 19

1 answer

(x^13)(x^4)^2 = x^13 * x^8 = x^(13+8) = x^21.

The value of p is 21.

Answer: B. 21