Scientific Notation

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Scientific Notation
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Scientific Notation a way to write very large
or very small numbers.
Examples When would people use scientific
notation in real life?
Examples
6,320,000,000

9 jumps left
0.000027

5 jumps right
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Large Numbers
59,000,000

7 jumps left
140,000,000,000

11 jumps left
Small Numbers
0.000426

4 jumps right
0.000009

6 jumps right
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Lets Practice!
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Write using scientific notation.
1) 81,000
4) 0.00015
4 jumps right
4 jumps left
2) 1,396,000
5) 0.0000317
6 jumps left
5 jumps right
3) 80,000,000,000
10 jumps left
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Write each number in standard form.
1)
4)
1.9
0
0
0
0
3.41
0
0
0
0
0
0
190,000
0.00000341
2)
5)
0
2.43
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0.000000243
600,000,000
3)
5.28
0
0
0
0
0
0
0
5,280,000,000
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Now its time to compare and order numbers
written in scientific notation!
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How to Compare/Order Numbers written in
Scientific Notation

• Compare/Order the exponents
• 9.5 x 106 8.6 x 107
• 3.2 x 10-2 4.1 x 10-5
• 2) If the exponents are the same, compare/order
  the actual numbers
• 4.7 x 107 5.2 x 107
• 7.2 x 10-5 8.1 x 10-4

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Comparing Numbers in Scientific Notation
Order the following from greatest to least.
middle
largest
smallest