Solutions to Practice #4

Evaluate the following expressions.

  1. (9 • 3) + (5 – 2)3 = 54
  2. (5 + 7)2 • 4 ÷ 2 – 88 = 200
  3. (9 • x) ÷ (5x – 2y)x = 9/(5x – 2y)
  4. {2 [15kz + (32k2 ÷ 4k)2 ] – 30kz} ÷ 8 = 16k2

NOTE: If you got each item on 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.

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