All of its multiples
All numbers divisible by 90 are also divisible by 9 and 10
numbers which are divisible by 90 are the multiples of 90: 90, 180, 270, 360, 450, 540, 630,...
Multiples of 90, like 90, 180 and 270 are divisible by 90.
90 and all of its multiples.
There are 90 such numbers.
All numbers are divisible by 1.
Multiples of 31770.
90
All numbers divisible by 10 must end with a zero.Multiples of 9 are 9,18,27,26,45,54,63,72,81,90,99 etc, so the first multiple of 9 that also ends with a zero is 90. Fortunately, 90 is also divisible by 2! So 90 is the answer.
There are 16 numbers
90
Yes; all numbers that are divisible by 9 are divisible by 3.