Question

Findthe remainder when ${10}^{34}-7$ is divided by 3.

• A. 1
• B. -1
• C. 2

Answer 1

option (c)

Any power of 10 when divided by 3 gives a remainder of 1. Also,7 divided by 3 remainder is 1. Therefore individual remainders are 1 and 1.

Thus, 1-1=0. Answer is 0