If a and b are positive integers and (2^a)^b = 2^7, what is the value of 2^a*2^b?	Choose one.
A) 16  B) 32  C) 64  D) 256  E) 128
2^ab =2^7 therefore ab=7 either a=1 or 7 or b=7 or 1   therefore 2^a* 2^b = 2^(a+b)= 2^8 =256   256
<result>D</result>
If a and b are positive integers and (2^a)^b = 2^7, what is the value of 2^a*2^b?