Seudónimo Seudónimo

04-08-2017
Mathematics

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A phone banking password consists of 2 letters followed by 4 digits. The letters B, I, S, and O are not used, and the last digit cannot be 0. How many different passwords are possible?
5,148,000
4,840,000
4,356,000
3,175,524

Respuesta :

Jefrafra Jefrafra

04-08-2017

The correct answer is C. 4, 356, 000. You can find this by multiplying 22*22*10*10*10*9.

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