Answer:
C. 0.8
Step-by-step explanation:
Write 7 as 7.00:
[tex]\begin{array}{ c c c c }& 0. & 7 & 7\\\cline{2-4} 9\:)&7.&0&0 \\-& 0 & \downarrow & \downarrow\\\cline{2-4} & 7 & 0 & \downarrow \\- & 6 & 3 & \downarrow\\\cline{2-4} & & 7 & 0\\& - & 6 & 3\\\cline{2-4} & & & 7\\\end{array}[/tex]
Therefore:
[tex]\sf \dfrac79=0.\.{7}=0.77777..=0.8\:(nearest\:tenth)[/tex]