review- scientific notation and pythagorean theorem

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

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

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

Solve the expression and remember to pick the answer in Scientific Notation

 $9\cdot10^3\cdot3\cdot10^4=$  

•  $2.7\cdot10^7$  

•  $2.7\cdot10^8$  

•  $2.7\cdot10^{12}$  

•  $2.7\cdot10^{13}$  

Solve the expression and remember to pick the answer in Scientific Notation

 $6.5\cdot10^7\cdot2\cdot10^4=$  

•  $1.3\cdot10^{11}$  

•  $1.3\cdot10^{12}$  

•  $13\cdot10^{11}$  

•  $13\cdot10^{28}$  

Solve the expression and remember to pick the answer in Scientific Notation:

 $9.9\cdot10^{-10}\div\left(3\cdot10^{-4}\right)=$  

•  $3.3\cdot10^{-14}$  

•  $3.3\cdot10^{-6}$  

•  $3.3\cdot10^{40}$  

•  $3.3\cdot10^6$  

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

Which of these numbers are NOT in scientific notation?

• 1.2 x 10³
• 5.3 x 10⁹
• 2.0 x 10⁰
• 10 x 10²

The first term in scientific notation must be _________.

• greater than 0 and less than 10
• greater than or equal to 1 and smaller than 10
• greater than 1 and less than 9
• greater than 0 and less than 9