bonjour
par convention : 1/aⁿ = a⁻ⁿ
a)
1/(9 x 9) = 1/9² = 9⁻²
b)
1/(7 x 7 x 7) = 1/7³ = 7⁻³
c)
1/(3 x 3 x 3 x 3) = 1/3⁴ = 3⁻⁴
tu devrais trouver le dernier
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bonjour
par convention : 1/aⁿ = a⁻ⁿ
a)
1/(9 x 9) = 1/9² = 9⁻²
b)
1/(7 x 7 x 7) = 1/7³ = 7⁻³
c)
1/(3 x 3 x 3 x 3) = 1/3⁴ = 3⁻⁴
tu devrais trouver le dernier