### Home > CC2MN > Chapter 3 > Lesson 3.2.4 > Problem3-73

3-73.

Use what you learned during today’s lesson to answer the following questions.

1. Show $(2.3)(5.06)$ as a fraction multiplication problem and explain why the answer is in thousandths (three decimal places).

Here is $(2.3)(5.06)$ written as a fraction multiplication problem:

$2\frac{3}{10}\cdot5\frac{6}{100}=$

Can you explain why the answer will be in thousandths?

2. Show $(0.004)(3.42)$ as a fraction multiplication problem and explain why the answer is in hundred-thousandths (five decimal places).

See part (a) for guidance for writing fraction multiplication problems.