1.   Which operation should be done first when evaluating 15 5 3 + 2 - 1?
    A. division B. subtraction
    C. multiplication D. addition
    Hint

  2.   Evaluate (6 3)2.
    A. 9 B. 0
    C. 6 D. 1
    Hint

  3.   Evaluate 5 + 6 2 + 4.
    A. 17 B. 5
    C. 13 D. 7
    Hint

  4.   Evaluate 16 + (9 - 4)10 - 4 · 5.
    A. 46 B. 190
    C. 96 D. 35
    Hint

  5.   The table shows how much time Eva spent in a music chat room on the Internet during the week. Which expression cannot be used to find the total number of hours she spent in the chat room?
   
    A. 1.5 + 1.5 + 1.5 + 1 + 1 + 2
    B. 5(1.5 + 1) + 2
    C. 3 × 1.5 + 2 × 1 + 2
    D. 3(1.5) + 2(1) + 2
    Hint



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