Chapter 7 - Exponents and Exponential Functions - 7-4 Division Properties of Exponents - Practice and Problem-Solving Exercises - Page 443: 24

4 $\times$ $10^{6}$

You have $\frac{5.2 * 10^1{^3}}{1.3*10^7}$.Simplify: $\frac{5.2 * 10^1{^3}}{1.3*10^7}$-apply exponent rule $\frac{x^a}{x^b}$=$x^{a-b}$- $10^{13-7}$=$10^{6}$ $\frac{5.2}{1.3}$ $\times$ $10^{6}$ -divide the terms- =4 $\times$ $10^{6}$