The radius of the sphere decreases at the rate of 6 m/ sec
That is, 
Surface Area of the sphere of radius r is given by 
Differentiating with respect to t,


Answer:
0.05
Step-by-step explanation:
I turned the fractions into decimals. to do that your do exactly as it tells you!
4 divided by 5 = 0.8
so she has 0.8 ounces of juice (That not alot lol I would not be satisfied) now for how much she drank...
3 divided by 4 =0.75
0.80 - 0.75 = 0.05
She drank 0.05 ounces
Hope this helped! Please mark as brainliest! Thanks! If you need me to turn 0.05 in a fraction i can do that.
Answer:
3.940201X 10^115
Step-by-step explanation:
2^3x (2x2x2x2x2x2x2)
2^3x128
2^384
3.940201 x 10^115