Is 450 divisible by 10 and 5 and 9 explain?

Yes, 450 is divisible by 10, 5, and 9. When you divide 450 by 10, it equals 45, because 45x10 is 450. When you divide 450 by 9, you get 50. A way to know that is think about this: 9x5 is 45, so 9x50 has to equal 450! Same with 450 divided by 5. 5x9 is 45 so 5x90 is 450.