3^12 + 3^12 + 3^12 =  Choose one:
A) 3^11	B) 3^13	C) 3^15	D) 9^12	E) 9^13
Since we have 3^12 added together 3 times, we can factor out a 3 and we get 3(3^12) which is equal to 3^13.   The answer is 3^13.
<result>B</result>
3^12 + 3^12 + 3^12 =