[tex]p\%=\dfrac{p}{100}\\\\10\%=\dfrac{10}{100}=\dfrac{1}{10}=0.1\\\\10\%\ of\ 26.8\to0.1\cdot26.8=2.68\\\\Answer:\boxed{2.68}[/tex]
Other methods:
(1)
[tex]\begin{array}{cccc}100\%&-&26.8&\text{divide by 10}\\10\%&-&2.68\end{array}[/tex]
(2)
[tex]\begin{array}{cccc}100\%&-&26.8\\10\%&-&x\end{array}\qquad\text{cross multiply}\\\\100x=(10)(26.8)\\\\100x=268\qquad\text{divide both sides by 100}\\\\x=\dfrac{268}{100}\\\\\boxed{x=2.68}[/tex]
