maddiebolland5356 maddiebolland5356
  • 25-09-2018
  • Mathematics
contestada

How much four digit numbers can be made with 0 1 2 3

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jiffypopjaffa
jiffypopjaffa jiffypopjaffa
  • 25-09-2018
Pretty sure 16. 4 digits each put into a different spot so 4x4 =16
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tramserran
tramserran tramserran
  • 25-09-2018

first digit   and     second digit     and    third digit     and    fourth digit

3 choices    x       3 remaining       x    2  remaining     x       1 remaining     = 18

(the first digit has only 3 possibilities because 0 cannot be the first digit)

This is assuming each digit can only be used once.

Answer: 18

Answer Link

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