Respuesta :

Answer:

3.8 x 10^9

Step-by-step explanation:

(1 x 10 ^ -4) x (4 x 10 ^ -4)

=4 x 40^ -4 x 40^ -4 x 100^ -4

=4 x 180^-4

= Exact Form:

1 /262440000

Decimal Form:

3.81039475  x 10^9