Question 1032835
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i) In how many 5-digit {{{highlight(cross(numbers))}}} words can be formed from the 10 digits (0-9), if
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a)	Repetitions are allowed ;          {{{10^5}}}.

b)	The numbers begin with 40;         {{{10^3}}}.

c)	The numbers are even;              {{{5^5}}}.

d)	The numbers are divisible by 5.    {{{2^5}}}.
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