Answer
False
Work Step by Step
To determine if a proportion is true, we have to find if the cross products are equal.
The cross products of $\frac{a}{b}=\frac{c}{d}$ are $a \cdot d$ and $b \cdot c$.
$8*0.7=5.6, 5.6*10=56, 5.6 \neq 56 \rightarrow$ false