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Scientific Notation Pp
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Scientific Notation Pp

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  • 1. How many sunflowers are in this field?
  • 2. How much water do the people of Chicago use daily? 9,100,000,000 liters
  • 3. What is the mass of the sun? Earth
  • 4. The mass of the sun =
    • 2 000 000 000 000 000 000 000 000 000 000 000g
    • So how can we write this in a simpler way??
  • 5. Scientific Notation:
    • is used to make very LARGE or very SMALL numbers easier to handle .
  • 6.
    • RULE 1:
    • SN only replaces zeroes! These zeroes represent decimal places!
    • EXAMPLE:
    • 45,000,000,000,000,000 = 4.5 X 10^16
    • (The 16 tells you that there are 16 decimal places after the 4 to the end of the number!)
  • 7.
    • RULE 2:
    • There is only one number in front of the decimal.
    • Example:
    • 4 .1349494 x 10 ^ -9
    • Just remember that every number will be less than 10!
  • 8.
    • RULE 3:
    • When moving the decimal RIGHT , the exponent will be NEGATIVE !
    • EXAMPLE:
    • 0.0000432= 4.32 x 10 ^ -5
    • SMALL NUMBERS WILL ALWAYS HAVE A NEGATIVE EXPONENT!
  • 9.
    • Rule 4:
    • When moving the decimal LEFT, the exponent will be POSITIVE !
    • EXAMPLE:
    • 55,000,000,000 = 5.5 X 10 ^10
    • LARGE NUMBERS WILL ALWAYS HAVE A POSITIVE EXPONENT!

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