There are 10 rooms per floor if there are 30 floors then there are 300 rooms
        
             
        
        
        
do it step by step will it work yes
 
        
             
        
        
        
62.831 because the firs number that is different between the two is .8 and .3, and .8 is greater regardless of the numbers that follow afterward.
        
                    
             
        
        
        
Answer:
1/13   
Step-by-step explanation:
There are 4 aces in the 52-card deck   so prob = 4/52 = 1/13