you must have types something in wrong someplace. Are you sure it's suppost to be 20 and 21 to be squared?
To start out it's actually not.
20^2= 400
21^2= 441
400+441= 841
So the real answer to this question is actually 841 instead of 1282.
17.6×3.14=6908125=55.264km
You have the math done.. all you had to do was type it into a calculator.
1 kg = 1000 g
1.5 kg = 1400 g
2 kg = 2000 g
2.4 kg = ? g
Well first, there's no point since he already told him the answer. Second, I just recently got on and I'm SUPER TIRED.
x is a common variable that people use in math. Another thing for x is that it is the horizontal part of a graph also known as the x-axis.
YOU can do this yourself. All you need to do is type it into a calculator.
6×17×3
I was going to answer a minute ago but CPhill got to it before I did...
√698=26.4196896272458129
You are going to need to estimate to the nearest whole.
Nvm I got it... it was 252 m2