Answer
The name of the compound is $3-methylhexane$.
Work Step by Step
The compound has 6 carbon atoms in its longest continuous carbon chain ($hex-$) . It has one substituent, a methyl group. The carbon chain is numbered so that the position of the substituent has the lowest numerical value. So, the substituent is at position 3. Hence, the name of the compound is $3-methylhexane$.
