How do you know if a number can be divided by 10 evenly?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs