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Masteriza [31]
3 years ago
7

A key code must contain 4 numerals. There are 10 numerals available. Using

Mathematics
2 answers:
neonofarm [45]3 years ago
7 0

Answer:

B, 210

Step-by-step explanation:

there is 10 options for the first one, 9 option for the second, 8 options for the third and 7 for the last. 10*9*8*7=5040, which is d

blondinia [14]3 years ago
3 0

First number can be 1 out of 10

Second number can be 1 out of 9

Third number can be 1 out of 8

Fourth number can be 1 out of 7

Total combinations = 10 x 9 x 8 x 7 = 5,040

The answer is D. 5,040

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