Pertanyaan
Simplify each of the following, leaving your answer in index notation where appropriate. (a) (9^(2))^(4) (b) (h^(2))^(5) (c) 2^(3)xx9^(3) (d) 3^(14)xx(5^(2))^(7) (e) (2k^(6))^(3) (f) (-3x^(6)y^(2))^(4)
Solusi
Jawaban
4.(a) 43046721 (b)
Penjelasan
4.(a) Menggunakan sifat pangkat, \( (a^b)^c = a^{b \times c} \), kita mendapatkan \( (9^2)^4 = 9^{2 \times 4} = 9^8 = 43046721 \). (b) Menggunakan sifat yang sama, \( (h^2)^5 = h^{2 \times 5} = h^{10} \). (c) Mengalikan dua bilangan berpangkat,