How many milliliters of a 10% stock solution of a chemical are needed to prepare 120 mL of a solution containing 10 mg of the chemical per milliliter?

An is a number that is written without a component. it is a number that is either or . an exponent is a or a number that another number is being to. the number that is being raised to a is called the . the or power tells you how many times to the base by . if an exponent is fractional then ask yourself the question: what when multiplied by itself a certain number of times will equal the number?