SOLUTION: i) In how many 5-digit numbers can be formed from the 10 digits (0-9), if a) Repetitions are allowed ; b) The numbers begin with 40; c) The numbers are even; d) The numbers are

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Question 1032835: i) In how many 5-digit numbers can be formed from the 10 digits (0-9), if
a) Repetitions are allowed ;
b) The numbers begin with 40;
c) The numbers are even;
d) The numbers are divisible by5.
ii) How many different sets of 4 students can be chosen out of 17 qualified students to represent a school in a mathematics contest?
Answer by ikleyn(52814)   (Show Source): You can put this solution on YOUR website!
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i) In how many 5-digit words can be formed from the 10 digits (0-9), if
a)	Repetitions are allowed ;          .

b)	The numbers begin with 40;         .

c)	The numbers are even;              .

d)	The numbers are divisible by 5.    .


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