Twenty disks with the given measurements are stacked on top of each other. Which expression does NOT give the volume of the cyli
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
It must end in (divisible by 2 rule) and the digits must sum to a multiple of 9(divisible by 9 rule).
The digit sum is .
We want to make as low as possible because it's a higher digit than
.
If is as low as possible, we have that the sum is
. Uh-oh.
has to be even! So
doesn't work.
If , we have that the sum is
. Yay!
So, the answer is