1)
|
N° |
Exercices |
réponses |
|
1 |
10 -4x10-5 |
1x10-9 |
|
2 |
30x105x102x4 |
1,20x109 |
|
3 |
10-2x1012x10 |
1x1011 |
|
4 |
(4x2x0,1x1012) /2 |
4x1011 |
|
5 |
(4x102) / (2x104) |
2x10-2 |
|
6 |
(104)2 / (108) |
1x100 |
|
7 |
10-5/(10 5x100x4) |
2,5x10-13 |
|
8 |
1019x106x0,1x0,01 |
1X1022 |
|
9 |
(10-6x10-5x107)/100000 |
1x10-9 |
|
10 |
10000000x4x0.0002 |
8x103 |
2)
10-1 x 103 = 102
104 x 102 = 106
103 x 10-5 = 10-2
10-2 x 10-1 = 10-1
103/105 = 10-2
(103)2 = 106