Practice #3 Solutions

Evaluate the following expressions.

  1. 3 + 2 • 8 – 4 = 15
  2. {4 [2 (2 + 2)3 ÷ 2]} ÷ 2 = 128
  3. (5rs + 7r) • r(4 ÷ 2)3 = 40r2s + 56r2
  4. 3b2 + 5b2 ÷ 2b • 8b – 4b = 23b2 – 4b

NOTE: If you got each item of this practice correct, move on to the next unit. If you had any problems with this practice, you should read through the detailed solutions and review this unit, then try the additional practice for this unit.

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