13. Sederhanakan perpangkatan berikut ini.
a. 4⁶ × 4³
Jawaban: 4⁶⁺³ = 4⁹
b. (-7)³×(-7)²
Jawaban:(-7)³⁺² = (-7)⁵
c. 4(-2,5)⁴×(-2,5)³
Jawaban: 4(-2,5)⁴⁺³ = 4(-2,5)⁷
d. (5²)³
Jawaban:
5²×5²×5² = 5²⁺²⁺² = 5⁶
e. 5²×(2/5)³×(2/5)⁵
Jawaban: 5²×(2/5)³⁺⁵ = 5²×(2/5)⁸