5 significant figures but note that 0 is only non-significant when it begins a decimal its only significant when it's in between numbers or after a number
 
        
             
        
        
        
X^2 = 150
√x^2 = √150
x = 5√6 (or) ≈12.25
HOPE THIS HELPS!!!!
        
                    
             
        
        
        
Answer:
x and y
Step-by-step explanation:
because it make sense
 
        
                    
             
        
        
        
Answer:
it relates to it for a shape
Step-by-step explanation: