A mobile company uses only the digits 0, 1 and 2 to make their mobile cards. If
the mobile cards are of 6 digits, then how many cards can they supply to the
market?
Plz can anyone give the solution?
Explanation of the solution would help much
SMMamun wrote:Imagine there are exactly 6 (blank) circles drawn on each mobile card, and exactly one digit is printed inside each circle to make a particular card number. In how many ways can you fill the 1st circle, the 2nd circle, and so on?
SMMamun wrote:@ siwomcre, what is the result if you can use only the digits 0, 1 and 2 (NOT ALL of 0 – 9) in the circles?
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