Which of the following is equal to 2^k*7^(k-1)?	Choose one.
A) 2*14^(k-1) B) 7*14^(k-1) C) 14^k D) 2*14^k E) 14^(2k-1)
2^k*7^(k-1) = 2*2^(k-1)*7^(k-1) = 2*14^(k-1)   The answer is 2*14^(k-1).
<result>A</result>
Which of the following is equal to 2^k*7^(k-1)?