Mathematics, 02.02.2020 22:43 katelynnjoyce1

An identity thief watches someone enter a four-digit pin and manages to see that the first digit is 3. they also know that the second digit is either 4 or 7. if the thief tries guessing the pin, how many possibilities would there be?

a. 100 b. 162 c. 180 d. 200

Answers: 3

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An identity thief watches someone enter a four-digit pin and manages to see that the first digit is...