Section 8.4
Scientific Notation
Write in decimal notation.
103
10-1
102
10-2
101
10-3
100
Move the decimal to the right when using a positive
power of 10
Move the decimal to the left when using a negative
power of 10
Which examples are in scientific notation?
A) 23.1 x 102 B) 3.5 x 103
C) .06 x 10-3
D) 2.51 x 104
Scientific Notation
A number greater than or equal to 1 and less than 10,
multiplied by a power of 10.
1
If a number written in scientific
notation has a negative exponent, the
decimal should be moved to the left
True
to convert to standard form.
False
True or False
Which numbers are
NOT written in
scientific notation?
2
A
5.01 x 10
B
50.1 x 10
C
7.39 x 10
D
0.739 x 10
-1
1
1
2
Multiple answer
Write 250 in
scientific notation.
3
A
25 x 10
B
2.5 x 10
3
C
2.5 x 10
2
D
250 x 10
2
3
Multiple choice
Write 0.005 in
scientific notation.
4
A
5.0 x 10
-3
B
5.0 x 10
-2
C
5.0 x 10
D
5.0 x 10
3
2
Multiple choice
5
What is the standard
form of 7.5 x 10 ?
4
Numeric
6
What is the standard
form of 1.234 x 10 ?
-2
Numeric
7
Write 75.84 x 10 in
scientific notation.
-3
A
7.584 x 10
-1
B
7.584 x 10
-2
C
7.584 x 10
-4
D
7.584 x 10
-3
Multiple choice
Bill Gates Worth??????
Use the I-Pad to see what he is
worth and write the answer in
scientific notation.
8
Multiplying a number by a
positive power of 10 makes the
True number larger, so it will never
False be a decimal.
True or False