1.   Express 0.091 in scientific notation.
    A. 9.1 × 10-1 B. 9.1 × 101
    C. 9.1 × 102 D. 9.1 × 10-2
    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. k17 B. k-3
    C. k3 D.
    Hint

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



Glencoe
The McGraw-Hill Companies