# For the following exercises, find the distinct number of arrangements. The set, S consists of 900,000,000 whole

## Question:

For the following exercises, find the distinct number of arrangements.

The set, S consists of 900,000,000 whole numbers, each being the same number of digits long. How many digits long is a number from S? (Hint: use the fact that a whole number cannot start with the digit 0.)

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