Answer:
54
Step-by-step explanation:
Given:

Input the numbers provided into the equation
3(2 + 3 + 4)2
Add all of the numbers inside the parentheses
3(9)2
Multiply
3 * 2 = 6
6 * 9 = 54
 
        
                    
             
        
        
        
Answer:
B has a negative exponent: 8 x 10^-7
A doesn't: 4.267 x 10^7
 
        
             
        
        
        
Answer: 120
Step-by-step explanation:
Given : The league championship 800 meter race has 6 runners.
The number of positions = 3
Since order matters here , so we use Permutation.
The permutation of n things taking r at a time is given by :-

Then, the number of different ways they place first, second, and third :_

Hence, they can place first, second, and third in 120 different ways .
 
        
             
        
        
        
Answer:
<em>Shoyo here!</em>
Step-by-step explanation:
1.22222222222
hehe, that's a long number- have a nice day! <3