1.   The expression 3 · 3 · 3 · 3 can be written using exponents as _____.
    A. 43 B. 4(3)
    C. 34 D. 3(4)
    Hint

  2.   You can multiply powers with the same base by _____.
    A. adding the exponents B. multiplying the exponents
    C. dividing the exponents D. subtracting the exponents
    Hint

  3.   The rule for negative exponents states that Which statement is not a correct use of this rule?
    A. B.
    C. D. 10-1 = 1
    Hint

  4.   The rule for multiplying by powers of 10 states that if the exponent of the 10 is positive, then you move the decimal point __________.
    A. to the right by the number of spaces as the number in the exponent minus 1 B. to the right by the same number of spaces as the number in the exponent
    C. to the right by the number of spaces as the number in the exponent plus 1 D. to the left by the same number of spaces as the number in the exponent
    Hint

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

  6.   Numbers like and have decimal values that do not terminate or repeat. These numbers are called ______.
    A. rational numbers B. whole numbers
    C. irrational numbers D. square numbers
    Hint

  7.   Write (4)(4)(4)(-1)(-1)(3)(3)(3)(3)(3)(3) using exponents.
    A. (4)(-1)(3)3 · 2 · 6 B. (3)4(2)-1(6)3
    C. (4)3(-1)2(3)6 D. (3)(2)(6)4 · -1 · 3
    Hint

  8.   Simplify the expression (jk)(2k)(3jk5).
    A. 6j2k5 B. 6j3k7
    C. 5j3k7 D. 5j2k5
    Hint

  9.   Simplify the expression
    A. B.
    C. D.
    Hint

  10.   Express 5 gigabytes in scientific notation.
    A. 5 × 10-6 bytes B. 5 × 109 bytes
    C. 5 × 106 bytes D. 5 × 10-9 bytes
    Hint

  11.   Simplify the expression .
    A. 8 B. 14
    C. 12 D. 20
    Hint

  12.   Chris is making a square patio of square stones that each measure 1 ft2. If each stone costs two dollars and he can spend no more than $956.00, how long can the patio be?
    A. 30 ft B. 21 ft
    C. 31 ft D. 22 ft
    Hint

  13.   Find the length of the leg of the right triangle.
   
    A. 4 cm B. 17.7 cm
    C. 12.5 cm D. 5 cm
    Hint

  14.   Determine if the triangle is a right triangle. Explain.
   
    A. No; the sum of the lengths of the legs is not equal to the length of the hypotenuse.
    B. Yes; the sum of the lengths of the legs is equal to the length of the hypotenuse.
    C. Yes; the sum of the squares of the lengths of the legs is equal to the square of the hypotenuse.
    D. No; the sum of the squares of the lengths of the legs is not equal to the square of the hypotenuse.
    Hint



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