SOLUTION
STEP 1: Write the given unit of measurement
[tex]1.8km[/tex]STEP 2: Convert to foot
[tex]\begin{gathered} 1km=3280.84ft \\ 1.8km=x\text{ }ft \end{gathered}[/tex]By cross multiplication,
[tex]\begin{gathered} x\times1=3280.84\times1.8=5905.512ft \\ x\approx5906ft \end{gathered}[/tex]Hence, answer is 5906ft