Answer:
I THINK
it's 1436.8
Step-by-step explanation:
btw this symbol is multiply -> •
v = 4/3π • r3 ( the 3 is supposed to be small-)
v = 4/3π • ( 7 )3
1436.75 round
v = 1436.8
if you don't understand then i put a image
( sorry if my handwriting is bad )
