overperformer wrote:
i assume there is a shortcut, or am i supposed to have powers of two memorized that profoundly?
2^X - 2^(X-2) = 3(2^13) , what is the value of X
9
11
13
15
17
i easily eliminated ABC, but was stuck between D and E
2^X - 2^(X-2) = 3(2^13) , what is the value of X
9
11
13
15
17
i easily eliminated ABC, but was stuck between D and E
Please refer to the solutions above.