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Home > CC4 > Chapter A > Lesson A.1.5 > Problem A-55

A-55.
  1. calculator

    A-55. CALCULATOR CHECK

  2. Use your scientific calculator to compute the value of each expression in the left-hand column below. Match each result to an answer in the right-hand column. Homework Help ✎

    a. −3 + 16 − (−5)

    1. −16

    b. (3 − 5)(6 + 2)

    2. 327

    c. 17(−23) + 2

    3. 0.5

    d. 5 − (3 − 17)(−2 + 25)

    4. 18

    e. (−4)(−2.25)(−10)

    5. −90

    f. −1.5 − 2.25 − (−4.5)

    6. 0.75

    g.

    7. −389

Remember to be cautious when entering negative signs.
A few matches have been made above, so that you can check some of your work.