Volume of a sphere can be found by using the formula V=[tex] \frac{4}{3} \pi r^{3} [/tex] where r is the radius of sphere.
Lianne drew a sphere with a radius of 7 in that is r= 7 in .she has written [tex] \frac{\pi}{3} [/tex] and need to find what should be multiplied in numerator with pi.
[tex] V=\frac{4}{3} \pi r^{3} =\frac{4\pi r^{3} }{3} =\frac{\pi}{3} (4 r^{3} ) [/tex]
As r= 7 she needs to multiply numerator [tex] 4 r^{3} = 4 (7^{3)} =4(343) =1372 [/tex]
The number to be multiplied is 1372.
