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. The internal telephone numbers in the phone system on a campus consist of five digits, with the first digit not equal to zero. How many different numbers can be assigned in this system
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1 vote
. The internal telephone numbers in the phone system on a campus consist of five digits, with the first digit not equal to zero. How many different numbers can be assigned in this system

User Reman
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5.6k points

1 Answer

3 votes

Answer:

49

Explanation:

(4 × 10) + 9

= 49

User Wendelin
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5.4k points
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