Answer: I think it helps with the square units that both squares have.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
37,156,863
Step-by-step explanation:
2 x 5 x 1742 x 2133 + 12/4 =
10 x 1742 x 2133 +12/4 =
17420 x 2133 + 3=
37,156,860 + 3 =
37,156,863
 
        
             
        
        
        
<u>Answer:</u>
B. He multiplied the dividend by 100 instead of 10.
<u>Step-by-step explanation:</u>
Chen had to divide  by
 by  . To make it easier to divide, he thought of multiplying both the dividend and the divisor by 10.
. To make it easier to divide, he thought of multiplying both the dividend and the divisor by 10.
Chen multiplied the divisor by 10 but mistakenly multiplied the dividend by 100 instead of 10.
So his whole division problem was changed.
Therefore, the correct answer option is B. He multiplied the dividend by 100 instead of 10.
 
        
                    
             
        
        
        
The unknown digit is 7 because 6.471 is greater than 6.470 and less than 6.48.
        
             
        
        
        
0.45M+40
The M stands for the amount of minutes he went over.