### Home > CC2 > Chapter 3 > Lesson 3.2.4 > Problem 3-74

Mentally calculate the following products. Use the rule for decimal multiplication to write an equation in which the decimal point is written in the correct location.

Think: A small number times a small number is a ____ number.

A negative number times a negative number is a _____ number.

Multiply

and move the decimal three places to the left.

See part (a).

Stacey said, “

*Stephanie, look at my answer to the last problem,**. Usually when I multiply, I get a bigger answer than the numbers I start with. Twenty-eight hundredths,*, is less than either or . I must have made a mistake.” Stephanie responded,

*“Well, one half times one half is one fourth, and one fourth is less then one half. I think when you multiply by a fraction or decimal less than one, you get less than you started with.”*Write a sentence or two about who you think is correct and why.

Stephanie is correct. Why?