If a and b are positive integers and (2^a)^b = 2^2, what is the value of 2^a*2^b? Choose the correct choice from the following
A) 8 B) 4 C) 16 D) 32 E) 64
2^ab =2^2 therefore ab=2 either a=1or2 or b=2 or 1   therefore 2^a* 2^b = 2^(a+b)= 2^3 =8   8
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If a and b are positive integers and (2^a)^b = 2^2, what is the value of 2^a*2^b?