3449995000 is what I got, I did 3.45x10^9 and then used that number and subtracted the answer from 0.5x10^4 to get the final answer, if that makes any sense.
Answer:
2.1 divided by 12.8=0.172413
Step-by-step explanation:
0 0 0. 1 7 2 4 1 3
1 2 1 8 2 1 0. 0 0 0 0 0 0
− 0
2 1
− 0
2 1 0
− 0
2 1 0 0
− 1 2 1 8
8 8 2 0
− 8 5 2 6
2 9 4 0
− 2 4 3 6
5 0 4 0
− 4 8 7 2
1 6 8 0
− 1 2 1 8
4 6 2 0
− 3 6 5 4
9 6 6
Answer:
A = pi x r²
A = pi x 8²
A = 64pi
Step-by-step explanation:
I hope this helps :D