Sewanhaka High School
Mrs. Lidowsky, Principal
Math 8
Mr. Long, Teacher
Period:______________
Date:________________________
Name:___________________________________ (Use the back as more room to show your work.)
H.W. #11: Division with Scientific Notation
Directions: Evaluate each expression. Express the result in scientific notation.
3.45 *10 5
1)
=
6.7 *10 2
3) (1.1 * 10-3)(2.5 * 109) =
4)
5)
6) How much larger is 6 * 105 compared to 2 * 103?
Answer the following questions. Show work.
7) The speed of light is 3 *108 meters/second. If the sun
is 1.5 * 1011 meters from earth, how many seconds does it
take light to reach the earth? Express your answer in
scientific notation.
8)