The simplified expression of
is 
<h3>How to simplify the expression?</h3>
The expression is given as:

Expressions raise to power 0 is 1.
So, we have:

Apply the law of indices to expression with common base

Evaluate the sum and difference

Remove the bracket

Hence, the simplified expression of
is 
Read more about exponents at:
brainly.com/question/847241
#SPJ1
Answer:
Find the 58th term of the arithmetic sequence
−20
Step-by-step explanation:
how is the volume of a solution used in calculating concentration?
You would find the sign if the signs are not the same if you are dividing or multiplying its negitve if its the same its positive