Question

O produto de (+5/8)*(-1/5) é igual a:

Answer 1

$\mathsf{\left(+\dfrac{5}{8}\right)\cdot\left(-\dfrac{1}{5}\right)}\\\\\\ \mathsf{-\dfrac{\diagup\!\!\!\!5}{8}\cdot\dfrac{1}{\diagup\!\!\!\!5}}\\\\\\ \boxed{\mathsf{-\dfrac{1}{8}}}$