
Puissances négatives 3ème
Presentation
•
Mathematics
•
9th Grade
•
Medium
R 144162
Used 6+ times
FREE Resource
10 Slides • 8 Questions
1
Puissances négatives
calculer avec des puissances négatives
2
3
Multiple Select
Choisir toutes les options égales à
10−81081
0,00000001
-80
1000000001
4
5
Ce qu'il faut observer:
L'inverse de la puissance d'un nombre est égale à ce nombre à la puissance opposée
6
Multiple Choice
10−23=?
-230
10−231
10231
2301
7
Multiple Choice
100 0001=?
10−5
1061
0. 000 1
100 000
8
9
Multiple Select
Choisir toutes les options vraies
61×61×61×61×61×61×61=?
671
421
6−7
-42
10
Explication
61×61×61×61×61×61×61=6×6×6×6×6×6×61×1×1×1×1×1×1 =671=6−7
Rappel
67=6×7 et 1001=−100
11
Multiple Select
Choisir toutes les options vraies
(43)5
2015
35×4−5
3545
12
Explication
43×43×43×43×43=(43)5=4535=35×451
=35×4−5
Rappels:
ba×dc=b×da×c=b+da+c
13
Multiple Select
Choisir toutes les options vraies
3×10−6
10636
(0.3)5
36×10−6
14
Explication
0.3=103
Donc
0.3×0.3×0.3×0.3×0.3×0.3
=103×103×103×103×103×103=10636
=36×1061=36×10−6
15
16
Multiple Choice
(198)−6=?
19−48
192
(819)6
−(198)6
17
Multiple Choice
7−3 =?
731
−21
−73
7−31
18
Explication
7=17 donc 7−3=(17)−3=(71)3=731
Rappels:
(ba)−n=(ab)n=anbn
ab=a×b
Puissances négatives
calculer avec des puissances négatives
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