Question

x10 = 30 and d=4 find x25​

Answer 1

.............................Here the question is asking for the number of zeros, now we have to look for the pairs of 2x 5, so the maximum pairs we can form are 145 because we have the maximum power of 2 is 145 , so the number of zeros in this case are 145. 10+100+1000+……