Answer:
just do 3.9*10000=39000
Step-by-step explanation:
Step-by-step explanation:
eggs used : 50-12= 38 eggs

There are enough information's already given in the question. Based on those information's that answer can be easily deduced.
Radius of the sphere = 8 units
Then
Surface area of the sphere = 4 *pi * r^2
= 4 * pi * (8)^2
= 4 * pi * 64
= 256pi
I hope that this answer has come to your help.