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To reach a particular department at a warehouse, a caller must dial a 4 4 -digit extension. Suppose a caller remembers that the first and last digits of an extension are 5, 5 , but they are not sure about the other digits. How many possible extensions might they have to try? Enter your answer as a number, such as: 425

1 Answer

5 votes

Answer:

100

Explanation:

just took the test

User Emmanuel Courreges
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