804 Scientific Notation

Which number is correctly written in scientific notation?

• 8.2 x 10²
• 82 x 10⁷
• 3.45 x 9⁴

Write in standard form: 
6.254 x 10⁶

• 6,254,000
• 6,254,000,000
• 625,400

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

(2.3 x 10²)+(4.1 x 10²)=

• 6.4 x 10⁴
• 6.4 x 10²
• 6.4 x 10⁰
• .64 x 10¹

 $Solve\ the\ following\ question:\ 7.4\cdot10^4+8.7\cdot10^4=$  Remember to write your solution in Scientific Notation

•  $16.1\cdot10^8$  

•  $1.61\cdot10^9$  

•  $16.1\cdot10^4$  

•  $1.61\cdot10^5$  

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

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

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