SOLUTION EXERCICE 11 PAGE 9





2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 212

5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5= 510

10 x 10 x 10 x 10 x 10 = 105

100 x 10 x 1000 x 100 x 10 = (10 x 10) x 10 x (10 x 10 x 10) x (10 x 10) x 10 = 109