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

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

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

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

  5.   Express the result in scientific notation. (3 × 10-3)(2 × 109)
    A. 3 × 106 B. 6 × 1012
    C. 3 × 1012 D. 6 × 106
    Hint



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