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There are 5 numbers which can make the 3 digit numbers in this example.

Therefore each digit in the 3 digit number has 5 choices of which number can be placed there.

Therefore number of 3 digit numbers = 5 x 5 x 5 = 125

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โˆ™ 2010-05-06 10:33:37
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Q: How many 3-digit numbers are there using 2 4 6 8 and 9?
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