Scientific Notation CP Chemistry.

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Scientific Notation Chemistry.
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Scientific Notation CP Chemistry

What is Scientific Notation? Scientific notation expresses numbers as factor of two number – a number between 1 -10 and ten raised to a power or exponent. Example: 1.0 x 104

Converting from Decimal Form into Scientific Notation Steps: 1. Move the decimal so the base number is between 1-10. 2. The number of places you move the decimal represents the exponent. 3. If you move the decimal to the left, the exponent will be positive. 4. If you move the decimal to the right, the exponent will be negative.

Move the decimal to the left 3 places Examples Convert 5,796.2 into Scientific Notation 5,796.2 = 5.7962 x 103 Move the decimal to the left 3 places Exponent is positive Base Number is between 1-10

Move the decimal to the right 1 place Examples Convert 0.981 into Scientific Notation = 9.81 x 10-1 0.981 Exponent is negative Base Number is between 1-10 Move the decimal to the right 1 place

Converting from Scientific Notation into Decimal Form Rules: The exponent represents the number of places you move the decimal. Move the decimal to the right if the exponent is positive. Move the decimal to the left if the exponent is negative.

Move the decimal 3 places to the left Examples Convert 7.683 x 10 -3 into Decimal Form 000 7.683 x 10-3 = 0.007683 To the left Move 3 decimal places Move the decimal 3 places to the left

Move the decimal 4 places to the right Examples Convert 1.7925 x 104 into Decimal Form 1.7925 x 10 4 = 17925. To the right Move 4 decimal places Move the decimal 4 places to the right

Practice Problems Convert the following into Scientific Notation Answers = 8.93 x 10-3 = 9.842527 x 106 = 7.891 x 102 0.00893 9,842,527 789.1

Practice Problems Answers = 2,683,000 2.683 x 106 = 0.0000567 Convert the following into Decimal Form Answers = 2,683,000 = 0.0000567 = 3260 2.683 x 106 5.67 x 10-5 3.26 x 103