Answer:
31.4 
Step-by-step explanation:
Because you multiply the circumference by pi 
 
        
             
        
        
        
Answer:about a third of the residents prefer a park improvement of more trees 
Step-by-step explanation:only 27 out of 75 would make it a third
 
        
             
        
        
        
Answer:Use a calculator 
Explanation:it’s easier
        
             
        
        
        
1.) for the odds would be 2/3 against would be 1/3
2.) i think it would be 157.08 (157 if rounded)
3.) he could make 18 arrangements 
        
             
        
        
        
The expression is:

Simplify the expression:
1. Multiply the exponent outside the parenthesis with every exponent inside the parenthesis,

Since, exponents in negative form are express as fraction with 1 as numerator.

Answer: 1/81d^(-20)