Transcript Multiplying and Dividing

Multiplying and
Dividing
By: Jenny Erickson
Multiplying in Scientific Notation
Multiplying…

The general format for multiplying is as
follows…

(N x 10x)(M x 10y) = (N)(M) x 10x+y

First multiply the N and M numbers
together and express an answer.

Secondly multiply the exponential parts
together by adding the exponents
together.
Multiplying…

Finally multiply the two results for the
final answer.

(2.41 x 104)(3.09 x 102)
* 2.41 x 3.09 = 7.45
*4+2=6
*7.45 x 106
Now it’s your turn.

Use the link below to practice
multiplying numbers in scientific
notation.

Multiplying in Scientific Notation
Dividing in Scientific Notation
Dividing…

The general format for dividing is as
follows…

(N x 10x)/(M x 10y) = (N/M) x 10x-y

First divide the N number by the M
number and express as an answer.

Secondly divide the exponential parts
by subtracting the exponent from the
exponent in the upper number.
Dividing…

Finally multiply the two results together
to get the final answer.
(4.89 x 107)/(2.74 x 104)
 4.89 / 2.74 = 1.78
7–4=3

 1.78
x 103
Now it’s your turn.

Use the link below to practice dividing
numbers in scientific notation.

Dividing in Scientific Notation
Quiz Time!!!

Below is a set of links for a quiz on
multiplying and dividing numbers in
scientific notation, and there is a link to
get the answers to the quiz.
Quiz on Multiplying and Dividing
 Answers to Quiz
