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3-74.

No calculatorMentally 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. Homework Help ✎

  1. 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.

  1. See part (a).

  1. final stop lightStacey 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?