### Home > CC1 > Chapter 5 > Lesson 5.2.1 > Problem5-50

5-50.

Without using a calculator, simplify the following decimal expressions.

1. $0.04 ( 0.7 )$

• It may help to think of these numbers as fractions.

• $0.04 = \frac{4}{100}$

• How can you write$0.7$ as a fraction?

• $(0.04)(0.7)= \left ( \frac{4}{100} \right )\left ( \frac{7}{10} \right )=\frac{28}{1000}$

• How can you write this as a decimal?

1. $( 1.8 ) ( 0.3 )$

• Refer to the steps in part (a).