breebree1231 breebree1231

02-03-2017
Mathematics

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Suppose the digits can repeat. Find the number of possible two-digit codes and three digit codes.Describe any pattern and use it to predict the number of possible five-digit codes.

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mathssydney mathssydney

02-03-2017

Possible 2 digit codes = from 00 to 99 - 100 ways or 10^2
Possible 5 digit codes = 10^5 = 100000 ways

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