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

  2.   Evaluate 2(15 6) 3 6.
    A. 18 B. 0
    C. 36 D. 6
    Hint

  3.   Name the operation that should be done first in the expression
9 (7 3) 2.
    A. multiplication B. addition
    C. subtraction D. division
    Hint

  4.   Multiply 45.3 × 102.
    A. 0.453 B. 453
    C. 4,530 D. 4.53
    Hint

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



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