Transcript Scientific Notation

Scientific Notation
Do Now
Oral Drill
Oral Drill
• 3 Sig Figs
5.982
Oral Drill
• 3 Sig Figs
5.965
Oral Drill
• 3 Sig Figs
5.975
Oral Drill
• 3 Sig Figs
0.004812
• Determine number of Sig figs
90.003 m
• Determine number of Sig figs
90.00 kg
• Determine number of Sig figs
9000 students
• Determine number of Sig figs
9000 liters
•401 + 26 =
•401.5 + 100.25
•300.00 x 2.000
Scientific Notation
• Seasons of Love…moments!
• How many seconds in a year?
Brainstorm—BIG DISTANCES
Brainstorm—TINY Distances
Notes on Scientific Notation
• Definition and Explanation of Scientific notation
– Definition:
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– We use scientific notation because…
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Notes on Scientific Notation
I. Directions for writing Example: 5,605,000
LARGE numbers in
scientific notation
1)Determine the base:
2) Determine the power
of 10:
3) Write the answer
Notes on Scientific Notation
I. Directions for writing SMALL
numbers in scientific notation.
1)Determine the base:
2) Determine the power of 10:
3) Write the answer:
Example:
0.0000003406
Notes on Scientific Notation
IV. Directions for writing
numbers in Standard
Notation
1) Determine which
direction to move the
decimal point:
2) Write the base, leaving
out the decimal point:
3) Move the decimal place
the given number of
places, adding zeros as
place holders where
needed:
Example
6.701 x 106
Example:
2.0945 x 10-4
Calculators
and Scientific Notation
Example:
(3.2 x 10–7) x (8.6 x 10–9)
What to type:
Answer:
Example:
Example:
Questions?
WIRes!!
• 85% or better class average
= 5 marathon points!!!