Answer: 0.03 and - 0.06
Step-by-step explanation:
 
        
             
        
        
        
90*4-14/2+102/5*2
360-7+40,8
393,8
        
                    
             
        
        
        
99 Dollars one square foot = 9 square yards
        
             
        
        
        
Answer:
3120
Step-by-step explanation:
 step 1:multiply 8 with 0 and 7 with 0
step 2:add a 0 in the end and multiply 8 with 4 . you get 32. take 2 and carry over 3. multiply 7 with 4. you get 28 . add 3 you get 31. now add. you get 3120