(7.2) cdot \frac{1}{9}

Explanation:

Step1: Convert 7.2 to fraction

$7.2=\frac{72}{10}=\frac{36}{5}$

Step2: Multiply fractions

$\frac{36}{5}\times\frac{1}{9}=\frac{36\times1}{5\times9}$

Step3: Simplify the fraction

$\frac{36\times1}{5\times9}=\frac{4}{5}=0.8$

Answer:

$0.8$