Recent content by thorney

or for the multiplication one you can expand the polynomial and the top clearly equals the bottom with reduced thinking needed!

it simplifys all the way too 1 eventually doesn't it?

Your answer is close, and I probably just used different constants to you but a few thousand Km's up is a reasonable answer; The radius of the Earth is very large and we have to raise something less than half that distance to half (just over a quarter) the force due to gravity. The inverse...

just to clarify 125^(2/3) the /3 means the third or cube root and the 2 can be taken to mean squared ince both are powers the Cube[(125^2)] will give you the answer. hope this makes it clear!