Answer: C. 5
Step-by-step explanation:See the attached picture.
This is the simplest form
.
<h2>Exponent</h2>
Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.
<h3>Simplification</h3>
Simplification is to make something easier to do or understand and to make something less complicated.
Given
is an expression.
<h3>How to make it simple?</h3>

On simplifying, we have

This is the simplest form
.
More about the exponent link is given below.
brainly.com/question/5497425
Answer:
1.26 is the price of one mile
Step-by-step explanation:
10y+x=-100
10y= -100 - x
y= -100 - x/ 10
y= -10 - x/10