Answer:
the answer to this is 355.
source:da brain
u need 78 feet of the three foot wide fencing
3. 8,798,018
4. 4,782,125
5. 156,432,332
6. 4,581,865
7. 4,594,375
8. 3,672,050
9. 7,272,925
10. 3,979,150
