Question: is 80 a multiple of 10 explain why or why not?
Answer: Assuming multiples of 10 are greater than 10 (meaning we will not consider 1/10, 1/100, etc), then all multiples have a zero in the ones column such as 10, 20, 30, 40, etc. If a number is a factor of 80, then 80 must be divisible by that number with no remainder. ... 80 is not divisible by 3 so we will skip 30.