When we write sentences, we always use a capital letter at the start and and a full stop, question mark or exclamation mark when we end a sentence. We also use capital letters for I and for proper ...

Division is the opposite of multiplication. It's when a number is shared into another number. Knowing your times tables can be very useful when multiplying or dividing. Let’s take a look at some ...

Given an integer n, return the number of trailing zeroes in n!. Note that n! = n * (n - 1) * (n - 2) * ... * 3 * 2 * 1. Example 1: Input: n = 3 Output: 0 Explanation: 3! = 6, no trailing zero. Example ...