The value for n is 
<h3>solving for n</h3>
<u>given data</u>
10n^{2} - 12 = -8
making n the subject of the formula
10n^{2} = -8 + 12
10n^{2} = 4
divide through by 10
n^{2} = 4 / 10
finding the square root of both sides
n = square root ( 4 / 10 )

n = 0.632 or 
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Answer:
We say this result "terminates" because we found no remainder.
0.123123123.... is an example of a non-terminating fraction.
0.123 123
This fraction is equal to ----------- = --------- = .123123123........
1-0.001 999
Step-by-step explanation:
0.393701 is your answer :)
16+14 = 30.
30 is your answer