You can use the properties of logarithm to get to the solution.
The approximate value for given term is given by

<h3>What is logarithm and some of its useful properties?</h3>
When you raise a number with an exponent, there comes a result. 
Lets say you get
 
Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows
 
Some properties of logarithm are:

<h3>Using the above properties</h3>

Thus,
The approximate value for given term is given by

Learn more about logarithm here:
brainly.com/question/20835449
 
        
                    
             
        
        
        
Answer:
it would be a 25% increase. 
Step-by-step explanation:
15-12 / 12 * 100 = 
3/12 * 100 = 25 
 
        
             
        
        
        
Answer:
Answers B I think.
Step-by-step explanation:
 I assume t is time so the variable would equal the time it hit the floor
 
        
             
        
        
        
90%, as each section is 10 percent!