Question

http://prntscr.com/i3xezc

Answer 1

@dude

Answer 2

Ah we have the diameter here, but we know that the radius is half the diameter
\(\large{r=\frac d2}\)

Answer 3

Solve for R?

Answer 4

Yeah, divide the diameter by 2 to get the radius

Answer 5

r=2d?

Answer 6

I really don't know how one divides by letters XD

Answer 7

substitute values :P
We know the diameter
\(\large {r=\frac 82}\)

Answer 8

I should've explained what the variables meant, sorry

Answer 9

How did you know it was 8?

Answer 10

Ohhhh

Answer 11

r=4

Answer 12

Right, so now we use the volume of a sphere formula
\(\large{V=\frac 43 \pi r^3}\\
V=\frac 43 \pi 4^3\)

Answer 13

http://prntscr.com/i3xlo2

Answer 14

Sure, but you have to simplify further as there are no answers in terms of pi

Answer 15

Remember to use 3.14 as pi
\(\large {\frac{256\cdot 3.14}{3}}\)

Answer 16

267.9466666667

Answer 17

Thats what I got

Answer 18

I must've made a mistake

Answer 19

No, it looks right
You have to round to the nearest hundreths place

Answer 20

267.95

Answer 21

Yep, that is your answer

Answer 22

Okie dokie, just 2 more left

Answer 23

heh okay, make new posts for them