Oh, dude, the last digit of any multiple of 10 is always 0. It's like the universe's way of saying, "Hey, I got you, here's a nice round number for ya." So, if you see a number that ends in 0, you can be pretty confident it's a multiple of 10.
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-8
Any multiple of 10.
Any multiple of 70.
Common three-digit multiples of 27 and 11 are 297, 594 and 891. None of their digits add up to 10.
Any multiple of 40.