Δ x = \frac{5, 46 \cdot 10^{- 7} \times 3}{10^{- 3}} = 1, 6 \cdot 10^{- 3} m

${\Delta x=\frac{5,46 \cdot 10^{-7} \times 3}{10^{-3}} =1,6 \cdot 10^{-3}\, \mathrm{m}}$

Error