# math

posted by
**Sam**
.

The circumference of a sphere was measured to be 76 cm with a possible error of 0.2cm.

1. Use differentials to estimate the maximum error in the calculated surface area.

Please round the answer to the nearest tenth.

2. What is the relative error in the calculated surface area?

_____cm^2

Please round the answer to the nearest tenth.

_________%

3.Use differentials to estimate the maximum error in the calculated volume.

Please round the answer to the nearest tenth.

______cm^3

4.What is the relative error in the calculated volume? Please round the answer to the nearest tenth.

_____%

How do you do? Please help!

i think it is 20

what?