[tex]\\ \tt\longrightarrow 3=\dfrac{3}{10}=0.3[/tex]
[tex]\\ \tt\longrightarrow 8=\dfrac{8}{10}=0.8[/tex]
[tex]\\ \tt\longrightarrow 15=\dfrac{15}{100}=0.15[/tex]
[tex]\\ \tt\longrightarrow \dfrac{18}{10}=1.8[/tex]
[tex]\\ \tt\longrightarrow 33=\dfrac{33}{100}=0.33[/tex]
[tex]\\ \tt\longrightarrow 49=\dfrac{49}{100}=0.49[/tex]
[tex]\\ \tt\longrightarrow 64=\dfrac{64}{100}=0.64[/tex]
[tex]\\ \tt\longrightarrow 108=\dfrac{108}{100}=1.08=1.1[/tex]
[tex]\\ \tt\longrightarrow 251=\dfrac{251}{1000}=0.251[/tex]
