Réponses

  • Utilisateur Brainly
2013-04-27T16:17:22+02:00

(5*10^4*2*(10^(-2))^5)/(4*10^(-3))

=5*2/4*10^(4-10+3)

=2,5*10^(-3)

=25/10*1/1000

=25/10000

=1/400