Notation scientifique – Exercices corrigés – 4ème – PDF à imprimer

Notation scientifique – Exercices corrigés – 4ème

Exercice 1

 

Donner l’écriture décimale

a.  8,3 x 105 =  __________________________________________________________

b. 4,5 x 103  =  __________________________________________________________

c. 1,2 x 10-4 =  ___________________________________________________________

d. 7,35 x 106 =  __________________________________________________________

e. 9,81 x 10-5 =  __________________________________________________________

f. 4,513 x 108 =  __________________________________________________________

g. 4,513 x 10-4 =  _________________________________________________________

h. 4,513 x 102 =  _________________________________________________________

 

Exercice 2 

 

Donner l’écriture scientifique

a. 540 000 000 000 =  _________________________________________________________

b. 650 000 000 =  _____________________________________________________________

c. 0,000 000 006 =  ____________________________________________________________

d. 1 048 000 000 000 =  ________________________________________________________

e. 0,000 002 64 =  _____________________________________________________________

f. 20 300 000 =  _______________________________________________________________

g. 673,185 =  _________________________________________________________________

h. 8 070 000 000 =  ____________________________________________________________

 

Exercice 3

 

Donner l’écriture scientifique

a. 6 300 x 104 =  ______________________________________________________________

b. 450 x 106 =  _______________________________________________________________

c. 0,000 67 x 10-5 =  ___________________________________________________________

d. 6 300 x 1012 =  _____________________________________________________________

e. 0,012 500 x 10-14 =  _________________________________________________________

f. 0,012 500 x 10-12 =  __________________________________________________________

g. 0,012 500 x 1015 =  __________________________________________________________

h. 81 500 000 x 1023 =  _________________________________________________________

 

Exercice 4

 

Comparer :

a. 9,45 x 108  et  8,31 x 109  =  __________________________________________________________

b. 9 x 103 et  9 x 102 =  ________________________________________________________________

c. 3,5 x 1013 et  2,65 x 1013  = ___________________________________________________________

d. 7,2 x 10-15 et  7,2 x 1013  = ____________________________________________________________

e. 1,6 x 10-9 et  1,5 x 10-10  = ____________________________________________________________

 

Exercice 5

 

Donner l’écriture décimale ou scientifique et ranger les nombres dans l’ordre croissant

 

a. 4,513 x 10-9 =  ______________________________________________________________

b. 7,1 x 1013 =  ________________________________________________________________

c. 4000,007 =  ________________________________________________________________

d. 0,700 600 000 =  ____________________________________________________________

 

e. 81 500 000 x 1013 =  __________________________________________________________

f. 81 500 000 x 10-34 =  __________________________________________________________

 

 

 

Exercice 6

 

Donner l’écriture scientifique des deux nombres puis les comparer :

 

a. 64,5 x 108    631 x 107

_____________________________________________________________________________________

 

b. 8 200 x 103 0,82 x 106

_____________________________________________________________________________________

 

c. 0,04 x 10-7 400 x 10-10

_____________________________________________________________________________________

 



Notation scientifique – Exercices corrigés – 4ème   rtf

Notation scientifique – Exercices corrigés – 4ème    pdf

 

Correction

Correction – Notation scientifique – Exercices corrigés – 4ème   pdf

 


Exercices en ligne : Mathématiques : 4ème