Question
Find the number of zeroes in 20 × 45 × 32 ×
25.Solution
Number of zeros will depend on how many times 10 i.e. (5 × 2) occur in the product Since, 20 × 45 × 32 × 25
= 2 × 2 × 5 × 9 × 5 × 2 × 2 × 2 × 2 × 2 × 5 × 5 Since, (5 × 2) occurred four times in the given product Therefore, required number of zeros = 4
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