sederhanakanlah perpangkatan berikut dengan caranya

a][

2^5 × (2^3)^2 /2^4
= 2^5 × 2^6 / 2^4
= 2^(5 + 6 - 4)
= 2^7

b][

(-3)^8 × ((-3)^2)^7 / ((-3)^3)^4 × (-3)
= (-3)^(8 + 14) / (-3)^(12 + 1)
= (-3)^(12 - 13)
= (-3)^-1
= 1/-3
= -1/3