Respuesta :
Answer:
Step-by-step explanation:
(70 x 10^-4) x (60 x 10^6) = (70 x ([tex]\frac{1}{10}[/tex] x [tex]\frac{1}{10}[/tex] x [tex]\frac{1}{10}[/tex] x [tex]\frac{1}{10}[/tex])) x ( 60 x 1000000)
= 70 x [tex]\frac{1}{10000}[/tex] x 60000000 = 420000