1.   How would 9.3 × 10-7 be written in standard form?
    A. 93,000,000
    B. 930,000,000
    C. 0.00000093
    D. 0.000000093
    Hint

  2.   Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain.
    A. Yes, because 5 + 6 > 8.
    B. No, because 52 + 62 82.
    C. Yes, because 52 + 62 = 82.
    D. No, because 8 + 6 < 5.
    Hint

  3.   Find –4 – 6.
    A. 2 B. –10
    C. 10 D. –2
    Hint

  4.   Find –2 × 5.
    A. –10 B. 10
    C. 3 D. –7
    Hint

  5.   Find –5(–3).
    A. 15 B. 10
    C. –5 D. –15
    Hint

  6.   Simplify (3x3)4.
    A. 27x7 B. 81x12
    C. 3x7 D. 12x12
    Hint

  7.   Find the number you can put in the blank to make a sum less than zero.
    A. Answer must be less than .
    B. Answer must be greater than .
    C. Answer must be less than .
    D. Answer must be less than or equal to .
    Hint

  8.   The graph of the Celsius-Kelvin temperature conversion formula, K = C + 273, is shown below. For which temperatures are the Kelvin and Celsius temperatures both positive?
   
    A. temperatures greater than 0°C
    B. temperatures greater than 0 K
    C. temperatures greater than –273 K
    D. temperatures less than 150°C
    Hint

  9.   In which quadrant are positive x-coordinates and negative
y-coordinates located?
    A. Quadrant I B. Quadrant II
    C. Quadrant IV D. Quadrant III
    Hint

  10.   Find the distance between (–3, 4) and (–1, –5).
    A. 2.24 units
    B. 8.66 units
    C. 3.32 units
    D. 9.22 units
    Hint



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