Calculating a minimum uncertainty

An electron is confined in a region of size Δx = 1,0 × 10^-10 m (an atom). Taking ħ = 1,0 × 10^-34 J·s, what is the minimum uncertainty Δp on its momentum, in kg·m/s?

Use Δp = ħ / (2 Δx). Write the result in scientific notation.