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Question

Find the product of the greatest 3-digit number and the greatest 2-digit number.

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Solution

Greatest 3-digit number = 999
Greatest 2-digit number = 99
∴ Product = 999 x 99 = 999 x (100 – 1)
= 999 x 100 – 999 x 1
= 99900 – 999 = 98901

This is the required answer.

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