The answer is 53
Do what's inside parentheses first then add or subtract all the numbers together
7 + (0-7) * 2/3 = 7 - 14/3 = (21 - 14) / 3 = 7/3 = 2.3
The formula for surface area of a sphere: A = 4 pi r^2.
Since the radius is 30 m then A = 4pi30^2.
30^2 x 4 =3600
A=3600pi m
You can by filling 1 out of 4 bars then multiply the shaded bars by 3<span />