Notes­9.24 Scientific Notation Operations
September 24, 2015
9.24
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Notes­9.24 Scientific Notation Operations
Good Day!
September 24, 2015
24 September 2015
Homework: Think about It Problem 4 due tomorrow
Weekly Exercises 4 due Monday 9.28
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Notes­9.24 Scientific Notation Operations
September 24, 2015
1 A B C D 3
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2 A B C D 4
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Ideas vs Memorization
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Notes­9.24 Scientific Notation Operations
September 24, 2015
Big Ideas about Powers
> Exponents represent repeated multiplication.
> Exponential expressions can be written in multiple, equivalent ways. > Numbers with very small or very great values can be expressed concisely using scientific notation.
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Notes­9.24 Scientific Notation Operations
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Operations with
Scientific Notation
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Notes­9.24 Scientific Notation Operations
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Operations with Scientific Notation
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Operations with Scientific Notation
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Operations with Scientific Notation
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Multiply and express your answer in scientific notation:
(2 x 108)(6 x 109)
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Multiply and express your answer in scientific notation:
(3.1 x 108)(6 x 10­9)
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Solve
Give the answer in scientific notation
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Add and express your answer in scientific notation:
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(4 x 10 )+(2 x 10 )
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Two companies merged to form a new company. One company was worth $3.5 x 10 7. The other was worth $7.8 x 10 8. What is the combined value of the new company? 15
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Stations
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Challenge
Questions
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Solve
Give the answer in scientific notation
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Notes­9.24 Scientific Notation Operations
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The average mass of a grain of sand on a beach is about 1.5 X 10–5 g.
There are about 6.1 X 1012 grains of sand in a beach volleyball court.
What is the mass of the grains of sand in the beach volleyball court?
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Notes­9.24 Scientific Notation Operations
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Solve
Give the answer in scientific notation
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