T=90-Z
Because 9 solved correctly*10 points per question answered correctly=90 and each incorrect question is a point lost
Answer:
$4,499.46
Step-by-step explanation:
We can use the compound interest formula for this problem:

P = initial balance
r = interest rate (decimal)
n = number of times compounded annually
t = time
First, lets change 4% into a decimal:
4% ->
-> 0.04
Now lets plug the values into the equation as shown below:


Don will have $4,499.46 at the end of the three years.
Answer:
B
Step-by-step explanation:
(2^6*9^6):18^14
18^6:18^14
18^-8
1:18^8