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Sagot :

a)

1/2^3

 

b)

2^-3 = 1/2^3

 

c)

2^3 = 2 * 2 * 2 = 8

2^-3 = 1/8

 

d)

2^-3 = 1/2^3 = 1/8

 

2)

3^-4 = 1/3^4 = 1/81

 

en espérant t'avoir aidé.

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