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A company wants to have 8 digit phone extensions with first digit not being zero

A company wants to have 8 digit phone extensions with first digit not being zero
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A company wants to have 8 digit phone extensions with first digit not being zero

asked
User Shih
by
8.0k points

1 Answer

5 votes
9*10^7=90000000

There are ninety million possible combinations. :)
answered
User TechCrap
by
8.9k points
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