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2 years ago

11

Please could someone please explain how i do this, much appreciated!

1 answer:

Vilka [71]2 years ago

6 0

You want to multiply together the number of possible choices for each digit in the code.

0-9 is ten possible numbers, since repetitions are allowed (example code 2,2,2,2) there are ten possible choices per digit in the code.

10*10*10*10 = 10,000 four digit coded possible

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