29-03-2017
Computers and Technology

contestada

How many four-digit personal identification numbers (PIN) are possible if the PIN cannot begin or end with a 0 and the PIN must be an even number?

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Chelseathebeast123 Chelseathebeast123

04-04-2017

number of possible pins = 9 x 10 x 10 x 4 = 3600

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