Writing in Math Use the information on page 332 to explain why scientific notation is useful in economics. Include the 2004 national debt of $7,379,100,000,000 and the U.S. population of 293,700,000, both written in words and in scientific notation, and an explanation of how to find the amount of debt per person with the result written in scientific notation and in standard notation. 6-1 Properties of Exponents Main Ideas • Use properties of exponents to multiply and divide monomials. • Use expressions written in scientific notation. GET READY for the Lesson Economists often deal with very large numbers. For example, the U.S. Public Debt table shows the U.S. public debt for several years. Such numbers, written in standard notation, are difficult to work with because […]