Sn = a1 * (1 - r^n)
----------
1 - r
n = 5 so answer =
1 * (1 - (1/2)^5
--------------- = 31/16
1 - 1/2
Answer:
1. 
2. 
Step-by-step explanation:
When you multiply radicals, you do the following

with that in mind
1.

here we don't need to multiply 16 times 5, because 16 = 4^2 and take the square root of it, gives you 4

2.

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Answer: 12% more interest
I hope this helped!
<!> Brainliest is appreciated! <!>
- Zack Slocum
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