Calculate the cost of gasoline for a 320 mile trip from Boston to New York City.
Your car averages 20 miles/gal of gas, and
gas costs a bargain $3.58/gallon.

Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.