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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 Presentation
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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
What do numbers look like when
they are in scientific notation?
1.23
2.56
3.04.546
5.4564 6.3
7.48.129.33
Can a number look like….
12.3 .897
Definition Scientific Notation
A number is expressed in SN when it is in the form
,where
And n is
an integer.
a n101 10 a
ARE THE FOLLOWING
IN SCIENTIFIC NOTATION?
YES OR NO
3.54
341
.254WHY?
26WHY?
83.2
5.378
278.2
.047
.0002
.9
9
POSITIVE
OR
NEGATIVE
EXPONENTS?
.008
108
13.34
13,000
.123
456
.0001
PUT THE
FOLLOWING
IN
SCIENTIFIC NOTATION.
26
262.6 X 10
341
3413.41 X 10²
.001310
.254
83.2
1,000,000
78. 2
.047
.0002
.9
9
Why do you think scientific notation was
invented?
Write
with exponents!
.01
10 2.01
.000110 4
.110 1
Write the following in standard notation (decimal notation).
10 3
.001
102
100
10 5
.00001
104
10,000
The state of NC has approximately
19,000,000 acres of forested land. Which is another way to express
this area?
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
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
.
What is another
way to write 21,763?
21763 104.
What is another way
to express 8.7 x
107
87,000,000
7 3 10 2.
X 1007 3 10 102 2.
7.3
9 4 10 102 3. x x9 4 10 1 0002. ,x x
9 4 105. x
9.1 x 10³
7 x 10²
1.3 x 10
16 108 10
8
3
.
.2 105
2 10 101 5 x
=
2 104
5.6 x 10³5,600
565.6 x 10
1.2 x 10²120
What are the coordinates of the x
intercept?
3x – 2y = -6
The following can be used as problems of the day that the students can work as they enter the room.
SCIENTIFIC
NOTATION
PROBLEMS
GREAT
JOB!!!!