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2-43.
  1. Without a calculator, compute the value of each expression below. Homework Help ✎

    1. −3 + 6

    2. (−2)(−9)

    3. −4 − 9 − 11

    4. −12 − 18

    5. 3/4(−8)

    6. (−2)(−2)(2)

    7. 7 + (−19)

    8. −15 ÷ 15

3

Keep track of negative signs.

Change all the subtraction to addition. −4 + (−9) + (−11)

−24

Follow the steps in part (c).

It might be helpful to change −8 to a fraction.

Remember to reduce.

Keep track of negative signs.

If the larger number is negative the answer will be negative.

Turn the problem into a fraction.

Any number divided by itself = 1.