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Sagot :

HAMELCHRISTOPHE

Réponse :

A = 3^4 x 5^4  = 15^4   ^: signifie puissance

B =  (5³)^(-2) = 5 ^(3*(-2))      * signifie multiplier

B =  5 ^(-6)

C= 2³  / 2^(-2) = 2^(3-(-2))

C = 2^(5)

D = (-7)³ x (-7)^(-5)

D= (-7)^(3-5)

D = (-7)^(-2)

E= 6^5 / 2^5 = (2^5*3^5) / 2^5

E = 3^5

F= (3^4)^7  / (2^28x5^28) = 3^28 / 10^28

F = (3/10)^28

j'espère avoir aidé

LEBANGALY630

Explications étape par étape:

A=3⁴×5⁴=(3×5)⁴= 15⁴

B=(5³)⁻²=(5)³×⁻²= 5⁻⁶

C=2³/2⁻²= 2³×2²= (2)³+²= 2⁵

D= (-7)³×(-7)⁻⁵= (-7)³⁻⁵= -7⁻²

E=6⁵/2⁵ = (3×2)⁵/2⁵ = (3⁵×2⁵)/2⁵ = 3⁵

F=

[tex] \frac{(3 ^{4})^{7} }{2 ^{28} \times {5}^{28} } = \frac{3 ^{28} }{10^{28} } = ( \frac{3}{10} )^{28} [/tex]

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