To convert 711 to a decimal using long division, you would divide 711 by 1000, as you are effectively dividing by powers of 10. This will yield:
711 ÷ 1000 = 0.711
Thus, the correct response for converting 711 to a decimal is:
0.711.
However, since the options provided do not include that answer, if you are looking for a different interpretation or specific conversion strategy, please let me know!