Yeah the decimal one, <span>0.000000849 , negative power of ten results in a smaller number</span>
        
                    
             
        
        
        
A fraction is a numerical quantity that is not a whole number.What you probably need to relearn is equivalent fractions, Least common denominator and how to multiply and divide fractions.
 
        
             
        
        
        
Answer:
16 b plus a is mathematically plus 185 so 15
 
        
             
        
        
        
Answer: 8 weeks 
explanation: 125 + 15x = 245 
You then have to subtract 125 from both sides so we can isolate our variable which will give us 15x = 120 . Divide 15 from both sides : 15x/15 = 120/15 which will give us x = 8.