An identity thief is trying to break into someone's computer that is protected by a 4-digit passcode where numbers can repeat. The thief knows that the first digit is 2 and the last digit is 7, 8 or 9. If the thief can attempt 60 passcodes per hour, what is the longest that they could take to break into the computer?
An identity thief is trying to break into someone's computer that is protected by a 4-digit passcode where numbers can repeat. The thief knows that the first digit is 2 and the last digit is 7, 8 or 9. If the thief can attempt 60 passcodes per hour, what is the longest that they could take to break into the computer?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 22T
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Transcribed Image Text:An identity thief is trying to break into someone's computer that is
protected by a 4-digit passcode where numbers can repeat. The thief
knows that the first digit is 2 and the last digit is 7, 8 or 9. If the thief can
attempt 60 passcodes per hour, what is the longest that they could take
to break into the computer?
Answer:
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