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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
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May 27, 2018
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A company wants to have 8 digit phone extensions with first digit not being zero
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Shih
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9*10^7=90000000
There are ninety million possible combinations. :)
TechCrap
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Jun 1, 2018
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