If x and y are positive integers, and x^3*y^4 = 2,000, which of the following is the value of xy? Choose the correct choice:
A) 2	B) 4	C) 8	D) 10	E) 20
x^3y^4 = (xy)^3 * y = 2000   a. if xy = 2 =&gt; 2^3 = 8, can't find y   b. xy = 4 (same as above)   c. xy = 8, 8^3 = 512; 2000/512 is not integer   d. xy = 10, 10^3 = 1000, y = 2000/1000= 
<gadget id="calculator">2000/1000</gadget>
<output>2</output>
2   e. xy= 20, 20^3 = 8000 &gt; 2000   so the answer is 10
<result>D</result>
If x and y are positive integers, and x^3*y^4 = 2,000, which of the following is the value of xy?