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Margaret [11]
3 years ago
5

A certain website requires a login password to be formed by 5 numbers from digits 1-9 followed by 2 letters from the alphabet. H

ow many passwords can be formed if neither the digits nor the letters are repeated?
Mathematics
1 answer:
alexgriva [62]3 years ago
6 0

Answer:

Step-by-step explanation:

password = 5 number + 2 letters

total number = g

total letter = 26

relection and arrengment both apply here

total password = gc5 * 26c2 * 7!

= 126  x 325 x 5040

total password = 2.06388 x 10^8

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Answer:

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