Sewanhaka High School
Math 8
Name:___________________________________ Per:___
Mrs. Lidowsky, Principal
Mr. Long, Teacher
Date:_________________
H.W. #11: Ditto
DO-NOW #11:
1) There are approximately 45 hundred species of mammals on Earth and 2.8 * 104 species of fish. What is the
difference in the number of species? Write your answer in scientific notation and standard form.
2) Evaluate the following. Express the product in scientific notation.
Topic: The Number System
Main Idea: Division with Scientific Notation
Aim:
RECALL
Evaluate (3 * 104) • (3 * 104). Write your answer in
scientific notation.
How would I check the previous answer?
Find the quotient of: 6210000 in scientific notation.
3100
Find the quotient of the following in scientific notation:
6.21  10 6
3.1  103
3.66  10  5 =
2.0  10  3
(8.2  10 6 )(5.0  10  2 )
=
2
2.0  10
NOTES
Drill: Answer the following questions in scientific notation:
5
1) 8.09  10
=
3.46  10 6
14
2) 7.0  10
=
3.5  1011
3) 404000  .00202 
800
SUMMARY:
If time: Go back to the Drill and write your answer for exercises 1 to 3 in standard form and calculator notation and
check your answers.