The number of zero’s in any expression depends on number of combination of (2 *5) present in that expression.

Hence zeros are formed by the **combination of 2 & 5**

For Example;

Suppose you are asked to find number of zeros in following expression**8 * 15 * 23 * 17 * 25 * 22 ****Step 1: Do the Factor Representation**

**Step 2: Find the combination of 2 and 5, to find number of zeros in the expression**

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