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03-11-2017
Mathematics

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How many five digit zip codes are possible if digits cannot be repeated?

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musiclover10045 musiclover10045

03-11-2017

1st digit - 0-9 = 10 numbers

2nd digit = 9 numbers

3rd digit = 8 numbers

4th digit = 7 numbers

5th digit = 6 numbers

10 * 9 * 8 * 7 * 6 = 30,240 zip codes

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