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

User Hacer
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2 Answers

5 votes
There are 9998 possible combinations
User Lszrh
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6 votes

Answer: there are 9999 possible combinations

User Fhsilva
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