Answer:

Step-by-step explanation:
To find the 5th term in the expansion, we first will need to apply the binomial theorem. I have attached an image of the binomial theorem formula due to not being able to type it.
After applying the binomial theorem and simplifying, you should get:

Our 5th term here is:
which is equal to 
~Hope this helps! Sorry if my answer is confusing at all, it's pretty difficult to explain.~
Answer: Once
Step-by-step explanation: If you do 100 - 10 you get 90 as result, therefore you don't have 100 anymore making the only logical answer to this "ONCE".
It would be smarter to buy it for 3.39 because you will spend money on gas drive Ig to the other store and you will spend more money
Answer:
GH¢ 5.80 per box (average)
Step-by-step explanation:
In order to find the average selling price per box we first need to sum up all of the boxes to get the total number of boxes. Then we need to sum up the amount of money that he made by multiplying the cost per box by the amount sold at each price and adding those values together. Finally, we need to divide the total money made by the total number of boxes sold to get the average selling price per box.
100 boxes + 800 boxes + 600 boxes = 1,500 total boxes
(100 * 8) + (800 * 6) + (600 * 4) = total money made
800 + 4800 + 2400 = GH¢ 8,700 total money made
GH¢ 8,700 / 1,500 = GH¢ 5.80 per box (average)