First, you are going to want to get the terms to the same power of 10 in scientific notation. Realize that 
. Essentially, we have converted the 
to a term with 
. Now, we can subtract the values in each term that are not 10 as shown below:
Remember that we have to turn it back to scientific notation once we are done!
Our answer is the second choice, 
. (This is the closest answer to 
.)
Since there are 2 variables there will be 2 answers.
Answer:
It'll say on the nsame of the point, like point A, with an extra letter, that tells you what line it is ^_^
Step-by-step explanation:
The answer is B. Maggie starts at her friends house and walks straight home
