i’ll give brainliest if you give a correct answer.

Answer:
3.391
Step-by-step explanation:
If this answer helped you then please consider marking this as brainliest and like this respone :)
[tex] \\ [/tex]
[tex] \tt \dashrightarrow 8.47 - 5.079 = \dfrac{847}{100} - \dfrac{5079}{1000}[/tex]
[tex] \tt \dashrightarrow 8.47 - 5.079 = \dfrac{8470}{1000} - \dfrac{5079}{1000}[/tex]
[tex] \tt \dashrightarrow 8.47 - 5.079 = \dfrac{8470 - 5079}{1000}[/tex]
[tex] \tt \dashrightarrow 8.47 - 5.079 = \dfrac{3391}{1000}[/tex]
[tex] \tt \dashrightarrow 8.47 - 5.079 = 3.391[/tex]
[tex] \\ [/tex]
Hence, correct answer is 3.391.