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Mathematics, 21.10.2019 18:00 hongkongbrat1163
Asecret code consists of 3 digits, followed by 2 letters, followed by 1 of the following symbols: @
#, and & digits and letters cannot repeat.
how many secret codes are possible?
a.2,028,000
b.1,950,000
c.1,460,160
d.1,404,000
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