Five-digit 80104

How many different five-digit numbers with different digits can be made from the digits 0, 2, 4, 6, 7, 8, and 9? How many of them are divisible by 4? How many of them are divisible by 10? How many of them are even?

Correct answer:

a =  2160
b =  840
c =  360
d =  1560

Step-by-step explanation:

a=6 6 5 4 3=2160
XXX 04 XXX 08  XXX 20 XXX 24 XXX 28  XXX 40 XXX 48  XXX 60 XXX 64 XXX 68  XXX 72 XXX 76  XXX 80 XXX 84  XXX 92 XXX 96  b=(5 4 3) 6+(4 4 3) 10=840
c=6 5 4 3 1=360
d=6 5 4 3 1+5 5 4 3 4=1560



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