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oreo2001
@oreo2001
January 2021
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Exprimer chaque nombre sous la forme d'une puissance : elles sont sous forme de fraction.
a) 7 puissance 5
sur
7 puissance 3
b) (-8) puissance 3
sur
(-8) puissance 4
c) 3 puissance 4
sur
3 puissance 9
d) 2 puissance -3
sur
2 puissance 2
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Bonsoir,
a^x / a^y = a^(x-y)
a) 7 ^ (5-3) = 7²
b) -8 ^ ( 3-4 ) = ( -8 ) -¹
c) 3 ^ (-5 )
d) 2 ^ (-5 )
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Verified answer
Bonsoir,a^x / a^y = a^(x-y)
a) 7 ^ (5-3) = 7²
b) -8 ^ ( 3-4 ) = ( -8 ) -¹
c) 3 ^ (-5 )
d) 2 ^ (-5 )