The valué of the digital 8 in this 80 the valué of the digit 7 in this number is not 7
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
70.
Step by step explanation:
8 in 80 is multiplied by ten. 7 multiplied by 10 is 70
                                
             
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Answer:
50.24 sq. units
Step-by-step explanation:
S = 4πr² = 4×3.14× 2² = 3.14 × 16 = 50.24 sq. units
 
        
             
        
        
        
Answer:
7854 cm²
Step-by-step explanation:
3.14 x 50² = 7850
 
        
             
        
        
        
Answer:
3
Step-by-step explanation:
 
        
             
        
        
        
Answer:
262144
Step-by-step explanation:
its exponents 
 
        
                    
             
        
        
        
Answer:
20% more
Step-by-step explanation:
30%-10% = 20%