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mameadows Group Title

how many 5 digit zip codes are possible? Assume all zip codes are possible

  • 10 months ago
  • 10 months ago

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  1. divu.mkr Group Title
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    use combinations of 10c5- 9c4

    • 10 months ago
  2. DDCamp Group Title
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    There are 10 possible digits (0, 1, 2... 8, 9) So, for each spot, there are 10 possibilities, and there are 5 spots. So, we have 10⁵ = 100000

    • 10 months ago
  3. campbell_st Group Title
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    there are 10 digits possible in each position of the code so its 10 x 10 x 10 x 10 x 10 this is the fundamental theorem of counting

    • 10 months ago
  4. mameadows Group Title
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    thank you... I was making it so much harder!

    • 10 months ago
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