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Verified answer
Bilangan berpangkatgunakan sifat nya
xᵃ. xᵇ = xᵃ⁺ᵇ
xᵃ : xᵇ = xᵃ⁻ᵇ
(xᵃ)ᵇ = xᵃᵇ
.
(-18)⁷ :(-18)⁵ + (-18)²=
= (-18)⁷⁻⁵ + (-18)²
= (-18)² + (-18)²
= 2 (-18)²
= 2 (324)
= 648