Latihan Matematika Kelas IX Bilangan Berpangkat dan Bentuk Akar
# 9
Pilgan

Nilai dari 727×525×329328×525×726\frac{7^{27}\times5^{25}\times3^{29}}{3^{28}\times5^{25}\times7^{26}} adalah...

A

1818

B

2121

C

2424

D

2727

Pembahasan:

Alternatif penyelesaian :

727×525×329328×525×726=727×525×329726×525×328\frac{7^{27}\times5^{25}\times3^{29}}{3^{28}\times5^{25}\times7^{26}}=\frac{7^{27}\times5^{25}\times3^{29}}{7^{26}\times5^{25}\times3^{28}}

=72726×52525×32928=7^{27-26}\times5^{25-25}\times3^{29-28}

=72726×52525×32928=7^{27-26}\times5^{25-25}\times3^{29-28}

=71×50×31=7^1\times5^0\times3^1

=7×1×3=7\times1\times3

=21=21