find the distance and midpoint of the segment whose endpoints are -4 and 18
DESCRIPTION
Find the distance and midpoint of the segment whose endpoints are -4 and 18. 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?. Y is the midpoint of SW. If Y= -4 and W=20 what is S?. SCIENTIFIC NOTATION. - PowerPoint PPT PresentationTRANSCRIPT
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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 W=20 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
2.56
3.04.546
5.4564 6.3
7.48.129.33
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Can a number look like….
12.3 .897
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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.
a n101 10 a
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ARE THE FOLLOWING
IN SCIENTIFIC NOTATION?
YES OR NO
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3.54
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341
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.254WHY?
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26WHY?
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83.2
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5.378
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278.2
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.047
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.0002
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.9
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9
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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
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262.6 X 10
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341
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3413.41 X 10²
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.001310
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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
10 2.01
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.000110 4
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.110 1
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Write the following in standard notation (decimal notation).
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10 3
.001
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102
100
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10 5
.00001
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104
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 ?
1 10 4
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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?
6 7 104
.
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What is another
way to write 21,763?
21763 104.
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What is another way
to express 8.7 x
107
87,000,000
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7 3 10 2.
X 1007 3 10 102 2.
7.3
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9 4 10 102 3. x x9 4 10 1 0002. ,x x
9 4 105. x
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9.1 x 10³
7 x 10²
1.3 x 10
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16 108 10
8
3
.
.2 105
2 10 101 5 x
=
2 104
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5.6 x 10³5,600
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565.6 x 10
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1.2 x 10²120
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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!!!!