The expression (√90 *√40) - (√8*√18) simplifies to what

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

What are different types of statistical programs

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?