Question

Use long division to determine the decimal equivalent of 7 over 9

A. 0.6
B. 0.7
C. 0.8
D. 0.9
​

Answer 1

C. 0.8

Explanation:

Write 7 as 7.00:

`\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}`

Therefore:

`\sf \frac79=0.\.{7}=0.77777..=0.8\:(nearest\:tenth)`