tolong dong, butuh banget

<p>a. (a⁶ x a²) : a = a⁸ : a = a⁷</p><p>b. (a⁶ : a³) : a² = a³ : a² = a</p><p>c. (a²b³)⁴ : (a^-2b⁵) = (a⁸b¹²) : (a^-2b⁵)&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = a¹⁰b⁷</p><p>d. 2a²b⁴ x 6ab^-3 = 12a³b</p>