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how many four-digit numbers can be formed from the numbers 1,3,4,6,8 and 9 if repetition of digits is not allowed ?
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1 vote
how many four-digit numbers can be formed from the numbers 1,3,4,6,8 and 9 if repetition of digits is not allowed ?

User Monte Goulding
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1 Answer

2 votes
1,3,4,6,8,9
6 algarismos
6*5*4*3*2*1 = 720
User Dax
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