book Maths Puzzle Numerical Ability

I am trying to convert 3.15E4 kilometers per second to parsecs per year. I do not know what formula to use - Your advice would be greatly appreciated.

Read Solution (Total 0)

book Other Question

"John Doe decided to add on a wrap-around porch to his house. He owns a 2000 sq. foot rectangular house. The length parallel to the neighbor's house is 50 ft. Because of land r How do I complete the square of x^2-x-20=0 to the nearest hundredth?