Posted by FAKAAPO on Thursday, September 1, 2011 at 10:31am.
Security codes in Fiji are made up of 4 digits. How many different 4digit codes are possible
i)If the first digit cannot be zero.
ii)If the first digit cannot be zero and digits cannot be repeated.

MATH ( PROBABILITY)  sdfdf, Sunday, April 24, 2016 at 7:37pm
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