Question

Write in p/q form 2.178 bar

Answer 1

x = 2.178 bar
1000x = 2178.178 bar
1000x-x = 2178.178 - 2.178
999x = 2176
x=2176/999

2.178 bar = 2176/999

This answer is right only if 178 is under bar

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Answer 2

period=178, periodicity=3
x=2.178178178....
multiply x with 10^3=1000
1000x=2178.178178....
- x= 2.178178....
_________________
999x= 2176.0000...
x=2176\999
(if possible simplify)
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