Ordering Scientific Notation Numbers

Which expression represents a number that is larger than 8,000 but smaller than 80,000?

• 8.0 x 10⁴

• 8.0 x 10³

• 7.9 x 10⁴

• 7.8 x 10²

Place the following numbers in order from least to greatest:
7.8 x 10⁶,    5.1 x 10⁴,  
1.25 x 10⁵,    4.09 x 10⁴

• 4.09 x 10⁴,   
  1.25 x 10⁵,    
  5.1 x 10⁴,   
  7.8 x 10⁶,

• 4.09 x 10⁴,    
  5.1 x 10⁴,    
  1.25 x 10⁵,  
  7.8 x 10⁶, 

• 1.25 x 10⁵,  
  4.09 x 10⁴,    
  5.1 x 10⁴,     
  7.8 x 10⁶,  

Order the following from greatest to least:
 5 x 10³ 
 3.2 x 10⁸
 1.2 x 10⁸
 7 x 10⁵ 

•  7 x 10⁵ ,  5 x 10³ ,
   3.2 x 10⁸,  1.2 x 10⁸

•  3.2 x 10⁸, 1.2 x 10⁸,  7 x 10⁵, 5 x 10³ 

•  1.2 x 10⁸, 3.2 x 10⁸,
   5 x 10³ , 7 x 10⁵ 

Order the following from greatest to least.

• 3.2 x 10⁸
  1.2 x 10⁸
  7 x 10⁵
  5 x 10³

• 5 x 10³
  7 x 10⁵
  1.2 x 10⁸
  3.2 x 10⁸

• 7 x 10⁵
  5 x 10³
  3.2 x 10⁸
  1.2 x 10⁸

Order the following from least to greatest.

• 6.8 x 10⁶
  6.6 x 10⁶
  6.1 x 10⁶
  6 x 10⁶

• 6 x 10⁶
  6.1 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶

• 6 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶
  6.1 x 10⁶

Place the following numbers in order from least to greatest.

• 7.8 x 10⁶
  1.25 x 10⁵
  5.1 x 10⁴
  4.09 x 10⁴

• 4.09 x 10⁴
  5.1 x 10⁴
  1.25 x 10⁵
  7.8 x 10⁶

• 1.25 x 10⁵
  4.09 x 10⁴
  5.1 x 104
  7.8 x 10⁶

Put the following in descending order.
4.05 x 10¹, 45%, 3/4, 0.075

• 4.05 x 10¹, 45%, 3/4, 0.075

• 3/4, 45%, 0.075, 4.05 x 10¹

• 4.05 x 10¹, 3/4, 45%, 0.075

• 45%, 0.075, 4.05 x 10¹, 3/4

Which of these numbers is the least?

• 9 x 10⁴

• 3.01 x 10⁹

• 1.2 x 10⁴

• 1.901 x 10⁴

Which of the following numbers is the least?

• 7 x 10⁸

• 7.1 x 10⁸

• 7 x 10⁹

• 7.1 x 10⁹

Which of these numbers is the least?

• 9 x 10⁴

• 3.01 x 10⁹

• 1.2 x 10⁵

• 1.901 x 10⁴