1.   Express 45,280,000 in scientific notation.
    A. 4.528 × 10-7 B. 4.528 × 107
    C. 45.28 × 106 D. 4.528 × 106
    Hint

  2.   Express 0.091 in scientific notation.
    A. 9.1 × 10-1 B. 9.1 × 102
    C. 9.1 × 101 D. 9.1 × 10-2
    Hint

  3.   What is the degree of 42x5y2z?
    A. 5 B. 7
    C. 2 D. 8
    Hint

  4.   Simplify (18q3r)(2qr4).
    A. 36q3r4 B. 36qr
    C. 36q4r5 D. 36q3r5
    Hint

  5.   Simplify (-3a5b3)4.
    A. -81a9b12 B. -12a9b7
    C. 81a20b12 D. -12a20b12
    Hint



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