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30 August, 00:08

A lock has four dials. On each dial are the digits 0-9. How many possible combinations are there?

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Answers (2)
  1. 30 August, 03:32
    0
    I believe the correct answer is 9,999.
  2. 30 August, 03:40
    0
    There's 10 possible settings on each of the four dials. 0,1,2,3,4,5,6,7,8,9 there's ten

    Total number of combos = (10 x 10 x 10 x 10) = 10^4 = 10,000
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