All Operations with Scientific Notation
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Lamequa Purdie
Used 342+ times
FREE Resource
5 Slides • 6 Questions
1
Scientific Notation
2
Multiple Choice
9 x 10^10
3 x 10^-30
2 x 10^10
18 x 10^-10
3
Draw
Adding in Scientific Notation
4
All Operations with Scientific Notation
Step 1: Determine the __________________ after annotating the word problem
Step 2 : If addition or subtraction, REMEMBER to make your exponents the ________ using LARS (Left means ___________ to your exponent and Right means ____________ from your exponent)
Step 3: Perform the operation and make sure your final answer is in scientific notation
5
All Operations with Scientific Notation
Example 1
Two companies merged to form a new company. One company was worth $3.5 X 10^7. The other was worth $7.8 X 10^8. What is the combined value of the company?
6
Multiple Choice
Two companies merged to form a new company. One company was worth $3.5 X 10^7. The other was worth $7.8 X 10^8. What operation will we use to find the COMBINED value of the company?
addition
subtraction
multiplication
division
7
Multiple Choice
Two companies merged to form a new company. One company was worth $3.5 X 10^7. The other was worth $7.8 X 10^8. What expression can we use to find the COMBINED value of the company?
(3.5x10^8) + (7.8x10^7)
(3.5x10^7) + (7.8x10^8)
(0.35x10^7) + (7.8x10^7)
8
All Operations with Scientific Notation
Example 2
A web site averages 4.5 x 10^4 hits per day.
How many hits will it get in 3.6 x 10^2 days?
9
Multiple Choice
A web site averages 4.5 x 10^4 hits per day.
What operation will we use to find how many hits will it get in 3.6 x 10^2 days?
addition
Subtraction
multiplication
division
10
Multiple Choice
A web site averages 4.5 x 10^4 hits per day.
How many hits will it get in 3.6 x 10^2 days?
16.2x10^6
16200000
11
How much greater is the mass of Neptune than the mass of Earth? Write your answer in scientific notation. Write your answer in scientific notation. HINT- THIS IS NOT MULTIPLICATION
Example 3
All Operations with Scientific Notation
Scientific Notation
Show answer
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