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Home > MC1 > Chapter 9 > Lesson 9.1.2 > Problem 9-19


Simplify each of the following expressions without a calculator, and then use a calculator to check your answers.

  1. Make sure you add the parts that are like.
    You can think of as

    How can you combine this with the other numbers?
    Be sure to show your work.

  1. You can think of as   and as  .

    How can you subtract -hundredths from -hundredths?

  1. Since is greater than , your answer should be less than zero.

Compute without a calculator