1. Operations involving Scientific Notation (x , ÷ , + , −)
8th Grade Math

2. WARM UP Simplify the following: 1. 𝟏 −𝟑 ∙ 𝟏 𝟐 𝟐 𝟎 ∙𝟐∙ 𝟏 −𝟒 =
1. 𝟏 −𝟑 ∙ 𝟏 𝟐 𝟐 𝟎 ∙𝟐∙ 𝟏 −𝟒 =
4.5 x 1.9 =
23.4 ÷2.2=

3. Scientific Notation Scientific Notation Standard Form
REVIEW FROM YESTERDAY
Scientific Notation Standard Form
2.3 x
1.2 x 10 −
4.567 x

4. Scientific Notation
With a partner, decide which of these are in scientific Notation
3.41 x 10 8
45.6 x 10 3
2.3 x 10 −3

5. Scientific Notation
With a partner, decide which of these are in Standard form
.00115
450,020,000 -5

6. Operations involving Scientific Notation (x , ÷ , + , −)
What are words that mean x Times multiply

7. Operations involving Scientific Notation (x , ÷ , + , −)?
Operations involving Scientific Notation (x , ÷ , + , −)
The world population is bout 77 billion.  There are 4.6× 10 7   ants for every human on the planet.  About how many ants are there in the world?

8. Operations involving Scientific Notation (x , ÷ , + , −)?
Operations involving Scientific Notation (x , ÷ , + , −)
The mass of the moon is about 7.3 × 𝟏𝟎 𝟐𝟐 kg. It would take approximately 26,000,000 moons to equal the mass of the sun. Determine the mass of the sun.

9. Operations involving Scientific Notation (x , ÷ , + , −)
What are words that mean ÷ Divide quotient per

10. Operations involving Scientific Notation (x , ÷ , + , −)  
Operations involving Scientific Notation (x , ÷ , + , −)
A certain social media company processes about 990 billion likes per year.  If the company has approximately 8.9× 10 8  users of the social media, about how many likes is each user responsible for per year?  Write your answer in scientific and standard notation

11. Operations involving Scientific Notation (x , ÷ , + , −)
The speed of light is 300,000,000 meters per second. The sun is approximately 1.5 × meters from Earth. How many seconds does it take for sunlight to reach Earth?

12. Operations involving Scientific Notation (x , ÷ , + , −)
The mass of Earth is approximately 5.9 × kg, and the mass of Venus is approximately 4.9 × kg. How much bigger is Earth than Venus?