Respuesta :

gcantiga44

Answer:

5.7 × 10⁻³

Explanation:

3.51 - 2.94 = 0.57

Don't change the scientific notation.

0.57 × 10⁻²

BUT

The "0" is not applicable so move the decimal point to the right by one and subtract the power by one.

5.7 × 10⁻²⁻¹ = 5.7 × 10⁻³