# Math

If no digit may be used more than once, how many 5 digit numbers can be formed using only the digits 3,8,1,2,5 and 7? my answer is 360

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1. You have six digits, using five at once, no repeats..

Number= 6*5*4*3*2

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bobpursley
2. Thank you bobpursley

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4. 720!

Use a calculator

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5. I triiied I'm not smart I don't have a big brain T^T

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6. digital seeker smartkit was talking about using a calculator for the equation that bobpursley gave

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