The number of zeroes at the end of an integer depends upon the number of 10s in its factor. Which n turn depends upon number of 2s and 5s.sud21 wrote:A number is the product of integers from 1 to 10. How many zero are in the number?
Now in the product of all the integers from 1 to 10, there will be more 2s than 5s. Hence, number of 5s will determine the number of 10s.
Number of 5 in all the integers from 1 to 10 = 2 (one in 5 itself and another one in 10)
Hence, there will two zeroes at the end of the product.
