nchang, it will still help you.
This isn't the same question, but this will help:
https://web2.0calc.com/questions/math_72352
Check this out:
http://quora.com/How-many-digits-are-zeroes-in-9-999-999²
2)
(s/2)^2=144
So, s=24, s=-24
1)
(8/2)^2=16, so, c=16
Hint:
This is rounding DOWN to the nearest whole number. For example, sqrt(2) would be 1
Private...? Hint: I'm about a decade old
Yeah I am elementary school.
This is 20*4=80.
I'm in elementary school. And this is getting spammy let's stop
