Answer:
n=10
Step-by-step explanation:
You need n to be 10 because: y^20= (y^10)^2
It would be 8.185 since there aren't 2 numbers that evenly go into 67
Answer:
#2 option: 
Step-by-step explanation:


= 
Answer:
Amount in 4% account: $550
Step-by-step explanation:
Use simple interest formula
where
I = interest
P = principal
r = rate (as decimal)
t = time.
<u>4% account:</u>

then

<u>5% account:</u>

then

You have earned $69.50 in total, so

Amount in 4% account: $550
Amount in 5% account: $950
The answer is 54.27. Hope I was halpful