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Scientific Notation

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Scientific Notation - a shorthand way of writing very large or small numbers.

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Ex: 1.2 x 10-5

Base Number

Exponent

Base Number = number between 1 and 9.9*****

  • 1 ≤ x < 10

Exponent = multiplies or divides base number by factors of 10.

  1. Negative = dividing by powers of 10 (smaller number!)
  2. decimal moves left.

2) Positive = multiplying by powers of 10 (bigger number!)

  • decimal moves right.

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Examples:

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  1. .000013 =

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2. 130000 =

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3. 2.76 x 104 =

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4. 5.99 x 10-3 =

1.3 x 10-5

1.3 x 105

27600

.00599