Pre-Algebra Demystified

31. In the number 18.63278, the place value of the 2 is:
    (a) tenths
    (b) hundredths
    (c) thousandths
    (d) ten thousandths


32. Name the number 0.00086.
    (a) eighty-six millionths
    (b) eighty-six ten thousandths
    (c) eighty-six thousandths
    (d) eighty-six hundred thousandths


33. Round 0.23714 to the nearest hundredths.
    (a) 0.237
    (b) 0.24
    (c) 0.23
    (d) 0.2


34. Add 0.25þ1.263þ0.0348.
    (a) 1.5478
    (b) 2.3624
    (c) 0.9713
    (d) 1.6327


35. Subtract 0.531
    0.0237.
    (a) 0.6341
    (b) 0.5073
    (c) 0.0514
    (d) 0.6032


36. Multiply 0.350.006.
    (a) 0.021
    (b) 0.0021
    (c) 0.21
    (d) 0.00021


37. Divide 2.04750.325.
    (a) 63
    (b) 6.3
    (c) 0.63
    (d) 0.063


38. Arrange in order from smallest to largest: 0.416, 0.061, 1.64, 0.003.
    (a) 0.416, l.64, 0.003, 0.061

Final Exam 257