Réponses

2014-01-26T15:21:07+01:00
Bonjour

N°12
2^-5 = 1/2^5 = 1/32
5^-1 = 1/5
4^-3 = 1/4^3= 1/64
0.1^-2 = 1/0.1² = 1/100
(-3)^-4 =  - 1/3^4 = -1/81
-3^-4 = 1/3^4 = 1/81
- 1.1^-3 = -1/1.1^3
(-20)² = 400