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Operations in scientific notation

Quiz by Feam Lester

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10 questions
Show answers
  • Q1

    (5 × 103) + (4.3 × 104)  

    5.3 × 103

    9.3 × 103

    4.8 × 104

    4.3 × 105

    30s
  • Q2

    (2.3 × 10-4) - (6 × 10-5)

    2.3 × 10-6

    1.7 × 10-4

    2.9 × 10-5

    8.3 × 10-7

    30s
  • Q3

    ( 4 × 105) + (3.3 × 106)

    4.4 × 106

    3.7 × 106

    7.3 × 105

    1.3 × 107

    30s
  • Q4

    (7.2 × 10-2) + (5.3 × 10-1)

    6.02 × 10-1

    1.25 × 10-1

    7.02 × 10-2

    8.32 × 10-2

    30s
  • Q5

    (9.2 × 1010) - (8.4 × 1011)

    -7.48 × 1010

    17.6 × 1010

    8.4 × 109

    -7.48 × 1011

    30s
  • Q6

    (3.5 × 105) × (4 × 103)

    1.4 × 109

    1.2 × 107

    7 × 1011

    3.9 × 108

    30s
  • Q7

    (9 × 104) ÷ (3 × 102)

    2.7 × 104

    9.0 × 103

    3.0 × 102

    3.0 × 101

    30s
  • Q8

    (5 × 106) × (7 × 108)

    50 × 105

    3.5 × 1015

    35 × 1014

    70 × 1012

    30s
  • Q9

    (7.5 × 105) ÷ (2.5 × 103)

    2.5 × 102

    3.0 × 105

    7.5 × 104

    3.0 × 102

    30s
  • Q10

    (4.5 × 103) ÷ (2 × 106)

    4.5 × 100

    9.0 × 102

    2.25 × 103

    2.25 × 10-3

    30s

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