Question

For what value of n, 27 x 5 ends with the digit 5 ?( no value of n)​

Answer 1

Answer:

We need to find the value of n, for which 2 n × 5 n ends in 5. Also, all the values of n will make end in 0. Thus, there is no value of n for which 2 n × 5 n ends in 5.