Find the distance and midpoint of the segment whose endpoints are -4 and 18.

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Find the distance and midpoint of the segment
whose endpoints are -4 and 18.
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Find the distance between 8 and 14 on a number
line. If the midpoint is 2 and one endpoint is
12, what is the other endpoint?
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Y is the midpoint of SW. If Y -4 and W20
what is S?
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SCIENTIFIC NOTATION
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What do numbers look like when they are in
scientific notation?
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1.23
4.546

7.4
3.0
8.12
9.33
2.56
5.4564
6.3
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Can a number look like.
.897
12.3
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Definition Scientific Notation
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A number is expressed in SN when it is in the
form ,where
And n is an integer.
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ARE THE FOLLOWING IN SCIENTIFIC NOTATION? YES OR
NO
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3.54
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341
14
.254
WHY?
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26
WHY?
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83.2
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5.378
18
278.2
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.047
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.0002
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.9
22
9
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POSITIVE OR NEGATIVE EXPONENTS?
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.008
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108
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13.34
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13,000
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.123
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456
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.0001
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PUT THE FOLLOWING IN SCIENTIFIC NOTATION.
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26
33
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2.6 X 10
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341
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341
3.41 X 10²
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.001
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.254
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83.2
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1,000,000
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78. 2
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.047
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.0002
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.9
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9
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Why do you think scientific notation was invented?
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Write with exponents!
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.01
.01
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.0001
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Write the following in standard notation
(decimal notation).
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.001
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100
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.00001
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10,000
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The state of NC has approximately 19,000,000
acres of forested land. Which is another way to
express this area?
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Most bacteria have a diameter of 1 to 5 microns.
A micron is equal to cm. What is the
measure of a micron in SN ?
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Earth orbits the sun at a speed of about miles
per hour. At this speed, how far does Earth
travel in 24 hours?
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What is another way to write 21,763?
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What is another way to express 8.7 x
87,000,000
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X 100

7.3
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9.1 x 10³ 7 x 10²
1.3 x 10
64

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5.6 x 10³
5,600
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5.6 x 10
56
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1.2 x 10²
120
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What are the coordinates of the x intercept? 3x
2y -6
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The following can be used as problems of the day
that the students can work as they enter the
room.
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SCIENTIFIC NOTATION PROBLEMS
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GREAT JOB!!!!