C. negative exponents always go at the bottom
        
                    
             
        
        
        
Can't see it the equation is to blurry.
        
             
        
        
        
To find the total number of text messages sent, you will use the stem-n-leaf plot to create a data set of all the numbers of texts sent. 
To read a stem-n-leaf plot you will use the number on the left as the tens place and each number to the right of it creates a new number in the data set.
 
See the key for help!
Here is the list of the all the data:
0, 0, 7, 9, 10, 10, 15, 20, 23, 32
To find the total number of text messages sent, add these together.
The answer is 126 text messages.
        
             
        
        
        
Step-by-step explanation:
step one: *multiply the negative 9 with the 5j.
which which will come out to be -45j
step 2: now now multiply the -9 with the k. which it comes out to be negative 9k.
step 3: -45j + -9k