1.   At their closest points, two planets are approximately 6.5 × 108 kilometers apart. Write the distance in standard form.
    A. 6,500,000 B. 650,000
    C. 650,000,000 D. 65,000,000
    Hint

  2.   Simplify .
    A. 3s2|t|5 B. 3s2|t|3
    C. 3|s|t4 D. 9s2|t|5
    Hint

  3.   Evaluate .
    A. 512 B. 1024
    C. 2048 D. 256
    Hint

  4.   Evaluate .
    A. 25 B.
    C. 10 D. 5
    Hint

  5.   Solve Round to the nearest tenth.
    A. 284.9 B. 153.2
    C. 37.2 D. 25.0
    Hint