(adsbygoogle = window.adsbygoogle || []).push({}); how do you find the approximate uncertainty of a circle of radius 3.8x10^4????

1. The problem statement, all variables and given/known data

how do you find the approx uncertainty for a circle with radius 3.8x10^4, i have no idea how to get the final uncertainty of the circle the radius uncertainty is 0.1x10^4

area of a circle is pie*r^2? so that means the area of the circle should be 4.5x10^9 isnt it???

3. The attempt at a solutioni figured that because there is only one variable that the uncertainty would just be 0.1x10^4, how do you work out the final uncertainty properly?????

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: How do you find the approximate uncertainty of a circle of radius 3.8x10^4?

**Physics Forums | Science Articles, Homework Help, Discussion**