What is the density for mass of seventy grams and a volume of fifty milliliters?

$\text{Density} ,$ $\rho$ $=$ $\text{Mass"/"Volume}$
$\rho$ $=$ $\frac{70 \cdot g}{50 \times {10}^{-} 3 \cdot L}$ $=$ $1400$ $g \cdot {L}^{-} 1$
Alternatively, $\rho$ $=$ $1.4$ $g \cdot m {L}^{-} 1$.