Hel i have a Quiz on it on Monday if someone helps me I will mark it as a brain list answer

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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.

Find two numbers if their sum is 91 and the ratio is 6: 7?