Answer: Plug in answers work backwards; or learn log to get rid of powers
Step-by-step explanation: save time on your test by cheating yourself of knowledge
 
        
                    
             
        
        
        
500 or 600 depending on the maths question
        
                    
             
        
        
        
Answer: it is 1.8 
Step-by-step explanation: you can look up this same qustion and find it on branly <3 your right