Phsyics
posted by Mikhail .
The center of a 1.10km diameter spherical pocket of oil is 1.10km beneath the Earth's surface.
Estimate by what percentage directly above the pocket of oil would differ from the expected value of for a uniform Earth? Assume the density of oil is .
Express your answer using two significant figures

Phsyics 
drwls
You seem to be missing some words in your question. Are you talking about the value of the acceleration of gravity?
This questions was asked about a month ago, at which time I suggested an approach to answering it based upon the priciple of superposition. Are you the person who asked it then?
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