how many 3 digit number can be formed the digits 1,2,3,4,5 and 6 if the digits can be repeated
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there are 3 places to be filled
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Since repetition is allowed, each place can be filled in 6 ways.
So total ways = 6×6×6 = 216
So total 216 numbers can be formed.
_ _ _
Since repetition is allowed, each place can be filled in 6 ways.
So total ways = 6×6×6 = 216
So total 216 numbers can be formed.
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