Réponses

2013-09-14T15:10:06+02:00
Exercice 11 :
 28^{3} = 21 952
 15,9^{3}=4019,679
 9^{7}=4782969
 6^{5} =7776
 0,7^{6} =0,117649
 7^{4} =2401

Exercice 12 :
 \sqrt{54,76} =7,4
 \sqrt{289} =17
 \sqrt{10625} =103,07
 \sqrt{27,5625} =5,25
 \sqrt{68} =8,24
 \sqrt{49,36} =7,02
et voilà ! :)