What is the result of multiplying 2.5 x 10^10 and 3.5 x 10^-7? *

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

How are the terms group and period used on the periodic table

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?