Explications étape par étape :
a. 5² * 5⁴ = 5²⁺⁴ = 5⁶
b. 6⁵ * 6⁻⁸ = 6⁵⁺⁽ ⁻⁸⁾ = 6⁻³
g. ( -2 )⁻³ * ( -2 )⁵ = ( -2 )⁻³⁺⁵ = ( -2 )²
e. -4 * ( -4 )⁻⁷ = -4¹ * -4⁻⁷ = ( -4 )¹⁻⁷ = ( -4 )⁻⁶
f. 7⁻⁵ * 7 = 7⁻⁵ * 7¹ = 7⁻⁵⁺¹ = 7⁻⁴
h. ( 2/3 )⁻³ * ( 2/3 )⁻⁵ = ( 2/3 ) ⁻³⁻⁵ = ( 2/3 ) ⁻⁸ = ( 3/2 )⁸
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Explications étape par étape :
a. 5² * 5⁴ = 5²⁺⁴ = 5⁶
b. 6⁵ * 6⁻⁸ = 6⁵⁺⁽ ⁻⁸⁾ = 6⁻³
g. ( -2 )⁻³ * ( -2 )⁵ = ( -2 )⁻³⁺⁵ = ( -2 )²
e. -4 * ( -4 )⁻⁷ = -4¹ * -4⁻⁷ = ( -4 )¹⁻⁷ = ( -4 )⁻⁶
f. 7⁻⁵ * 7 = 7⁻⁵ * 7¹ = 7⁻⁵⁺¹ = 7⁻⁴
h. ( 2/3 )⁻³ * ( 2/3 )⁻⁵ = ( 2/3 ) ⁻³⁻⁵ = ( 2/3 ) ⁻⁸ = ( 3/2 )⁸