Question

cati mm patrati sunt 10 nm patrati.Dar cati pm patrati????Va roog repede.Dau coroana

Answer 1

1 m = 1000 mm = 10 ⁹ nm = 10 ¹² pm 
                 1 mm = 10⁶ nm = 10 ⁹  pm 

1 mm² = 10 ¹² nm² = 10 ¹⁸ pm² 

deci  10 nm² = 10 / 10¹² = 10⁻¹¹ mm²
         10 pm²= 10/10¹⁸ =   10⁻17 mm₂