Question

2,5×0,8×2= com o cálculo alguém sabe???

Answer 1

$2,5\cdot0,8\cdot2 =\boxed{4}\checkmark\\\\ \text{Ou}\\\\2,5\cdot 10\cdot0,8\cdot10\cdot2\\\\25\cdot8\cdot2= \frac{4\diagup\!\!\!\!\!00}{1\diagup\!\!\!\!\!00}=\boxed{\boxed{4}}\checkmark$