### Home > MC2 > Chapter 1 > Lesson 1.2.1 > Problem 1-49

1-49.

Simplify the expressions in parts (a) through (f). Then answer the questions in part (g) using complete sentences.

Try to recall multiplication shortcuts for multiplying by ^{\frac{1}{2}}.

When multiplying a whole number by a fraction, multiply the numerator of the fraction by the whole number and then divide by the denominator.

Use the above examples to answer the following questions:

What happens when you multiply a number by

? What happens when you multiply a positive number by a positive number less than

? What happens when you multiply a positive number by a number greater than

?