prep practice test 1 - case 17 题目有问题？

小菜花

n and m are positive integers, what is the remainder when 34n+2

is divided by 10?

(1) n=2

(2) m=1

答案是B，不解，哪来的m啊？请指教

johnsonwxjs

the originial problem has already been checked by gmat_sucks

the problem is 3^(4n+m+2)

小菜花

多谢！！