Answer
Money has a set value, and bartered goods do not.
Money is more portable than bartered goods.
Money allows people to easily store value they earn.
I think it is the second one but im not for sure
I hope that helped you
Answer:
2
Step-by-step explanation:
All you do is substitute x.
Add.
|-12 + 10|
Find the absolute value of |-2|.
|-2|
2
Answer: 
Concept:
Here, we need to know the power of imaginary numbers
i = √(-1)
i² = -1
i³ = -i
i⁴ = 1
Solve:
<u>Given function expression</u>

<u>Given the requirement of the question</u>
To find the expression for f(i)
<u>Substitute values into the expression</u>

<u>Simplify the exponents</u>

<u>Expand the parenthesis</u>


Hope this helps!! :)
Please let me know if you have any questions
Decimal form - 8.24
mixed number form - 8 1/4