How many 3 digit numbers can be formed from the digits 1 2 3 4 and 5 assuming that nbsp nbsp 3 marks......

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How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that (3 marks)

(i) Repetition of the digits is allowed?

(ii) Repetition of the digits is not allowed?

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