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Avery sets up a passcode on her tablet, which allows only seven-digit codes. She has heard that It's more secure if a digit is repeated in the passcode. A spy sneaks a look at Avery's tablet and sees her fingerprints on the screen over stx numbers. What is the probability the spy is able to unlock the tablet on his first try? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Avery sets up a passcode on her tablet, which allows only seven-digit codes. She has heard that It's more secure if a digit is repeated in the passcode. A spy sneaks a look at Avery's tablet and sees her fingerprints on the screen over stx numbers. What is the probability the spy is able to unlock the tablet on his first try? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter1: Expressions And Functions
Section1.5: Descriptive Modeling And Accuracy
Problem 3BGP
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Avery sets up a passcode on her tablet, which allows only seven-digit codes. She has heard that It's more secure if a digit is repeated in the passcode. A spy sneaks a look at Avery's tablet and sees her fingerprints on the screen over stx numbers. What is the probability the spy is able to unlock the tablet on his first try? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
Transcribed Image Text:Avery sets up a passcode on her tablet, which allows only seven-digit codes. She has heard that It's more secure if a digit is repeated in the passcode. A spy sneaks a look at Avery's tablet and sees her fingerprints on the screen over stx numbers. What is the probability the spy is able to unlock the tablet on his first try? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
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