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

Algebra ->  Probability-and-statistics -> 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      Log On


   

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(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
i) In how many 5-digit highlight%28cross%28numbers%29%29 words can be formed from the 10 digits (0-9), if
a)	Repetitions are allowed ;          10%5E5.

b)	The numbers begin with 40;         10%5E3.

c)	The numbers are even;              5%5E5.

d)	The numbers are divisible by 5.    2%5E5.