If 2^k = 4, then 2^(2K+2) =  Choose the correct choice from the following options
A) 29 B) 45 C) 81 D) 64 E) 18
2^k=4   2^2k=4^2   2^2k=16   2^(2k+2)   =2^2k*2^2   =16*4= 
<gadget id="calculator">16*4</gadget>
<output>64</output>
64   Answer: 64
<result>D</result>
If 2^k = 4, then 2^(2K+2) =