2 because you do what is in parenthesis first :)
It is C have a great day luv
7(thousands)
8(hundreds)
5(tens)
4(ones)
.(decimal point)
2(tenths)
0(hundredths)
9(thousandths)
Hope this helps! I would appreciate it if I got brainliest! Thanks! =D
I guess ur just gunna have to bear with whatever until we have a multiple choice answer selection.