PLEASE HELP QUICK
Read the triple beam balances and record the answer to the .1 grams

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

Is the square root of 4 plus the square root of 16 rational?

What statement is true? 2x^2-9x+2=-1