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

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

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

  4.   Simplify
    A. 5t3u3v4 B.
    C. D.
    Hint

  5.   Express the result in scientific notation.
    A. 1.25 × 104 B. 1.25 × 1010
    C. 1.25 × 10-4 D. 1.25 × 10-10
    Hint



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