Survival Skills
for
Quantitative Courses

Scientific Notation
Quiz
 
   

SURVIVAL SKILLS

Algebra & Arithmetic

SCIENTIFIC NOTATION

Logarithms

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1. Choose the selection that represents the number in scienctific notation:

  1. 382,000,000,000
    3.82 x 109
    3.82 x 1010
    3.82 x 1011
    3.82 x 1012

  2. 9,882
    9.882 x 103
    98.82 x 103
    988.2 x 103
    9882 x 103

  3. 76.124
    7.6124x 10-1
    76.124 x 101
    7.6124 x 100
    7.6124 x 101

  4. 0.132
    1.32 x 10-2
    1.32 x 10-1
    1.32 x 100
    1.32 x 101

  5. 0.000,000,000,009
    9 x 10-12
    9 x 10-11
    9 x 10-10
    9 x 10-9

2). Express the following as ordinary numbers.
  1. 7.995 x 105
    7,995.0
    79,950
    799,500
    7,995,000

  2. 4.21 x 10-4
    0.0421
    0.00421
    0.000421
    0.0000421

  3. 1.2 x 108
    1,200,000,000
    120,000,000
    12,000,000
    1,200,200

  4. 3.481763 x 106
    34,817.63
    348,176.3
    3,481,763
    34,817,630

3) Perform the following calculations without using a calculator. Express the answers in scientific notation.
  1. 400 x 2,000
    8 x 103
    8 x 104
    8 x 105
    8 x 106

  2. 7,000,000 x 0.003
    2.1 x 103
    2.1 x 104
    2.1 x 105
    2.1 x 106

  3. (25,000)/(0.05)
    5 x 102
    5 x 103
    5 x 104
    5 x 105

  4. (0.000,008)/(0.002)
    4 x 10-3
    4 x 10-4
    4 x 10-5
    4 x 10-6

  5. 4.3 x 10-3 + 5.8 x 10-4
    4.88 x 10-2
    4.88 x 10-3
    4.88 x 10-4
    4.88 x 10-5

  6. 7.9 x 104 - 9.8 x 103
    6.92 x 102
    6.92 x 103
    6.92 x 104
    6.92 x 105