Mathematics, 05.09.2021 19:30, jaz5380

8. How many 6 digits telephone numbers are possible always starting from 562 (i) if the repetition of the digits is not allowed? (ii) if the repetition of the digits is allowed? 9. By using the digits from 0 to 9, how many three digit number can be constructed having only one zero given that the digits can be repeated?

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8. How many 6 digits telephone numbers are possible always starting from 562 (i) if the repetition o...