gwd 3-23

[maoball]

Q23:
If x and y are positive integers, and x^3y^4 = 2,000, which of the following is the value of xy?

A. 2
B. 4
C. 8
D. 10
E. 20


answer: D


opps...
i actually figured it out

2000= 2 ^4 5 ^3
x=5 y =4

xy =10