Asked by tamar

A robber has stolen a locked briefcase. The lock on the briefcase can be opened with a three-digit code, where each digit is one of the digits from 0 to 5.a) How many codes are possible if each digit may be used more than once?b) How many codes are possible if each digit may be used only once?

Please show more than one approach.
Answered by Tamar
a) Is it 6.6.6?
b) is it 6.5.4?
Answered by PsyDAG
agree

However, online, “*” is used to indicate multiplication to avoid confusion with decimals.
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