Answer:
Rate = 10.4%
Step-by-step explanation:
Given :
P = $30000
A = $42520
Interest earned = 42520 - 30000 = $12520
Time = 4years
<em><u>Find R </u></em>


Round to 1 decimal place, Rate = 10.4%
Six hundred four thousand sixteen
To visualize better, look at it like this:

First, see if you can simplify 3/2. You can't, so leave it like that.
The rule for exponents is you subtract the exponent from the bottom (r) from the exponent on the top (
)

Put that on the top, and you get

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education Roman Catholic School one five two weeks