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Sagot :

  1. C×D = 3⁷×3^-4 =3^(7+-4) =3³=27
  2. D/C = 3^-4/3⁷ = 3^-4-7 =3^11
  3. C²×D³ =(3⁷)² ×3^(-4)³ = 3^(7×2) ×3^(-4×3) = 3¹⁴ ×3^(-12) =3^(14-12) = 3²=9
  4. C^D = 3⁷^(3^-4) =3^(7×3^-4)

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