Hi, I don't know how to solve this problem. Could someone help me?

How many -digit numbers are there, such that the sum of the digits is divisible by ?

Thanks!!!

Guest Mar 10, 2020

#1**0 **

Write your question accurately !! How many what? 4-digit, 5-digit, 6-digit numbers? And is divisible by what number?

Guest Mar 10, 2020

#2**0 **

Sorry, I meant to write how many 10 digit numbers are there, such of the digits is divisible by 5? The digits can be repeated.

Guest Mar 10, 2020

#3**0 **

Do you want the SUM of the 10-digit number to be divisible by 5? Example:1234567890=45 which is divisible by 5.

Guest Mar 10, 2020