Answer:
4.9 * 10⁻⁵
Step-by-step explanation:
0.000049 → 4.9
 
        
                    
             
        
        
        
19.5 in difference 
difference indicates that you'll be subtracting so 29 3/4 - 10 1/4 = 19.5
        
             
        
        
        
Answer:
3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
0.375
Step-by-step explanation:
= 3/8
= 3 ÷ 8
= 0.375