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MAXImum [283]
4 years ago
15

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

Mathematics
2 answers:
Alisiya [41]4 years ago
4 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
iragen [17]4 years ago
3 0

Answer: There are 6561 posible combinations.

Step-by-step explanation:

the lock has four dials.

And we know that the first dial has 9 posible numbers (0, 1, ... , 9)

the second dial also has 9 posible numbers, and it is the same for the other two.

The total number of combinations is the product of the posibilities for each dial:

c = 9*9*9*9 = 9^4 = 6561

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