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# Where d represents a digit from 0 9 how many different ISBN numbers are possible if repetition of digits is allowed?

Updated: 9/23/2023

RasilindHall

Lvl 1
10y ago

There are 10 to the 10th power possibilities of ISBN numbers if d represents a digit from 0 to 9 and repetition of digits are allowed. That means there are 10,000,000,000 ISBN numbers possible.

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Q: Where d represents a digit from 0 9 how many different ISBN numbers are possible if repetition of digits is allowed?
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