### Home > GB8I > Chapter 8 Unit 9 > Lesson INT1: 8.1.3 > Problem 8-48

8-48.

Rewrite each expression in scientific notation.

Read the Math Notes boxes in Lesson 1.3.1 on scientific notation and Lesson 1.3.2 on laws of exponents.

Convert

to . With common scientific notations you can add the numbers.

Write

as a decimal . Simplify

using laws of exponents. So

results. Now rewrite in standard form and convert back to scientific notation.

Use the Commutative Property of Multiplication to reorder the terms, so multiply

.