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2 years ago

5

In the lock (shown on picture), there are ten numbers to choose from the set of (0, 1, ..., 9) and we choose 4 of them. b How ma

ny ways are there to choose them from the set of (7, 8, 9) only?

1 answer:

nadya68 [22]2 years ago

3 0

Answer:

6

Step-by-step explanation:

since their are 3 numbers to choose from we do 3! or 3*2*1 which is 6.

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