Which is an example of a financial change that would require budgetary consideration? paying monthly rent purchasing furniture saving a certain amount buying a monthly bus pass

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

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

What is the simplified form of square root of 400 to the 100th power ?