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Rebecca remembered the first six digits of a friend's 7-digit phone number. If she randomly selects a digit to replace the last digit she can't remember, what is the probability she will dial the correct number? Express your answer as a common fraction.

 Jun 2, 2019
 #1
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She has 10 choices   0 - 9     a 1/10 chnace of getting it correct on the first try...    1/10     or 10%

 Jun 2, 2019
 #2
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Thanls!

Guest Jun 2, 2019

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