can someone please explain step by step, showing every detail on how to solve this? Was told to do exponential rules before modulo rules but very confused on both rules

Find the remainders when dividing a by b for each of the following examples. Don't use a calculator except for individual steps. You are required to show your work. A. a=715;b=5 B. a=1121;b=7 C. a=222;b=13 D. a=1330;b=11 E. a=331;b=17