If q and s are positive integers such that (2^q)(4^s) = 16, then 2q + s =  Pick one
A) 2	B) 3	C) 4	D) 5	E) 6
lets get the eq into simplest orm..   (2^q)(4^s) = 16..   (2^q)(2^2s) = 2^4..   or q+2s=4..   since q and s are positive integers, only q as 2 and s as 1 satisfy the Equation..   so 2q+s=2*2+1=5..   5
<result>D</result>
If q and s are positive integers such that (2^q)(4^s) = 16, then 2q + s =