aᵐ × aⁿ = aᵐ⁺ⁿ

aᵐ ÷ aⁿ = aᵐ⁻ⁿ

(aᵐ)ⁿ = aᵐⁿ

(ab)n = anbn

(a ÷ b)n = an ÷ bn

a⁰ = 1

a-n = 1 ÷ an

aˣ = aʸ ⟹ x = y (a > 0 ، a ≠ 1)

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