Respuesta :

Answer:

500

Step-by-step explanation:

( 4 x 10^7 ) ÷ ( 8 x 10^4 )

= ( 4 x 10^4 ) ( 10^3 ) ÷ ( 4 x 10^4 ) x 2

= 10^3 ÷ 2

= 1000 ÷ 2

= 500