erinlampkin2000 erinlampkin2000

31-01-2018
Mathematics

contestada

A secret code consists of 2 digits, followed by 2 letters, followed by 1 of the following symbols: #, %, and &. Digits and letters cannot repeat. How many secret codes are possible?
168,480
175,500
182,520
195,000

Respuesta :

musiclover10045 musiclover10045

31-01-2018

10 x 9 x 26 x 25 x 3 =

175,500 possible codes

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