Download Scientific Notation

Scientific Notation
How wide is our universe?
210,000,000,000,000,000,000,000
miles
(22 zeros)
This number is written in standard
form. When numbers get this large, it
is easier to write them in scientific
notation.
Scientific Notation
A number is expressed in scientific
notation when it is in the form
x
aa´10
10n
n
where a is between 1 and 10
and n is an integer
Partner Talk
1.3
Determine which ones are in
Scientific Notation.
3
x 10
n
a ´10
0.4 x
7.45 x
8
10
6
10
10 x
5.0 x
5
7
10
10
1x
-3
10
Writing Numbers in Scientific Notation
a. 40,000
b. .000137
c. 4,030
d. 0.028
e. 78
f. 0.548
Is this going to be a big or small number?
a. 6.73 x
6
10
Express in Standard Form
b. 5.925 x
2
10
c. 5.0 x
8
10
Is this going to be a big or small
number?
d. 2.4 x
-3
10
Express in Standard Form
e. 6.832 x 10-5
f. 3.2 x 10-1
Multiply With Scientific Notation
g. Multiply
3x
-7
10
and 9 x
3
10
Multiply With Scientific Notation
g. Multiply
3x
-7
10
and 9 x
You try…
4 x 104 and
3
10
6 x 106