quarter is approximately 0.07 inches thick. A dollar bill is approximately 4.3 × 10-3 inches thick.
A is thicker than a by m × 10n inches, where m = and n = .

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?