### Home > CC1 > Chapter 5 > Lesson 5.3.4 > Problem 5-105

5-105.

Simplify each of the following expressions without using a calculator. Then use a calculator to check your answers.

Make sure you add parts that are alike. You can think of 0.045 as

How can you combine this with the other numbers? Be sure to show your work.

How can you subtract

hundredths from hundredths? (7.8)(0.03)

Since

is greater than , your answer should be less than zero.