There are 454 tiles in a row.

About how many tiles are there in 12 rows?

A.
500

B.
5,000

C.
50,000

D.

500,000

Question

There are 454 tiles in a row. 

 

About how many tiles are there in 12 rows?
  
 
 

 

 
  

  A. 
  500   
   

 

 
  

  B. 
  5,000   
   

 

 
  

  C. 
  50,000   
   

 

 
  

  D. 
 
500,000

anonymous · Answer

Round 454 to the nearest hundred (500), and round 12 to the nearest ten (10). Multiply the two together:
$$500 \times 10 = 5, 000$$

anonymous · Answer

thanks I wasn't sure if that's how to do it

anonymous · Answer

Please try familiarizing yourself with the concept of estimation. It'll help you greatly in the long-run.

anonymous · Answer

That's fine. Everyone's a beginner at some point.

md152727 · Answer

5,448 or about 5,000 so B