5. Nyatakan perpangkatan berikut dalam bentuk paling sederhana.
a. 4^3 x 2^6
Jawab: (2^2)^3 x 2^6
= 2^(6 + 6)
= 2^12
b. (3^2)^5 x 3^5
Jawab: 3^10 x 3^5
= 3^(10+5)
= 3^15
c. 4 x 3^4 + 5 x 3^4
Jawab: 3^4 (4 + 5)
d. (-125) x (-5)^6
Jawab: (-5)^3 x (-5)^6
= (-5)^(3+6)
= (-5)^9
= -(5^9)