Question

please help me

Answer 1

on what?

Answer 2

^^^^^^^^^^^^

Answer 3

do you know the formula for the area of a circle?

Answer 4

i forgot i havent done this in a while

Answer 5

\(A=\pi r^2\)

Answer 6

um i cant read that XD sorry

Answer 7

lolwut, what do you mean, should I write it out?

Answer 8

ohhh ok i cant read that now lol
so pi x radius raised by the power of 2

Answer 9

lol thats how i say it sorry

Answer 10

oh, yeah. so pi = 3.14
what is the radius squared (raised to the power of 2)?

Answer 11

um so 400 x 400 = 16,000 right?

Answer 12

the way I see it, it's 4*4 and 4 0s
400*400=160,000

Answer 13

that's a really vague way of saying it, but 400=4*100
so 400x400=4x4x100x100
and that is = 16x100x100

Answer 14

aka 16 and 4 0s

Answer 15

then so 3.14 x 160,000 = 50,2400

Answer 16

weird comma placement

Answer 17

i know i always place it in wrong spot XD

Answer 18

go from right to left, and group by 3s :p
correct

Answer 19

so its b

Answer 20

502,400?

Answer 21

yep

Answer 22

thx

Answer 23

anytime