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bonjour

a)  5 ² x 5 ⁴ = 5 ⁶

b ) 6 ⁵ x 6 ⁻⁸ = 6 ⁻³

c) 3 ⁴ x 5 ⁴ = 15 ⁴

d)  2.5 ⁻⁷ x 4.2 ⁻⁷ = 10.5 ⁻⁷

e) - 4 x ( - 4 ) ⁻⁷ = ( - 4 ) ⁻⁶

f ) ( - 2 ) ⁻³ x ( -2 ) ⁵ = ( - 2 ) ²

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