Sci notation adding and subtracting

What is scientific notation?

• A long way to write really short  numbers
• A short way to write really long numbers
• I don't know...
• None of the above

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

UNDERSTANDING:
The first number in scientific notation must be...

• between and including 0 and 10
• between and including 1 and 9.9999
• between and including 0 and 9.999
• between and including 1 and 10 

Subtract the within the scientific notation. 
(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵
• 1.81 x 10³
• 1.81 x 10⁶
• 1.81 x 10⁴

Tags

CCSS.8.EE.A.4

Add withing scientific notation 
(5.2 x 10⁷) + (3.01 x 10⁴)

• 5.20301 x 10¹¹
• .520301 x 10⁷
• 5.20301 x 10⁷
• 5.20301 x 10⁸

Tags

CCSS.8.EE.A.4

Subtract withing scientific notation 
(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸
• 3.937 x 10⁸
• 3.937 x 10⁷
• 3.937 x ⁻²

Tags

CCSS.8.EE.A.4

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Convert 56,000,000,000 from standard to scientific notation form.

• 5.6 x 10⁹
• 56 x 10^-9
• 56 x 10⁹
• 5.6 x 10¹⁰

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10⁴
• 5 x 10³
• .5 x 10³

What is 2.2 x 10⁶ in standard form? 

• 2,200,000
• 220,000
• 22,000,000
• .0000022