RoboguruRoboguru
SD

Bentuk sederhana dari bentuk pangkat 84×42÷29 adalah ....

Pertanyaan

Bentuk sederhana dari bentuk pangkat 8 to the power of 4 cross times 4 squared divided by 2 to the power of 9 adalah ....

  1. 2 to the power of 6 

  2. 2 to the power of 7 

  3. 2 to the power of 8 

  4. 2 to the power of 9 

N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah B.

Pembahasan

Gunakan sifat bilangan berpangkat berikut.

table attributes columnalign right center left columnspacing 2px end attributes row cell a to the power of m cross times a to the power of n end cell equals cell a to the power of m plus n end exponent end cell row cell a to the power of m divided by a to the power of n end cell equals cell a to the power of m minus n end exponent end cell row cell open parentheses a to the power of m close parentheses to the power of n end cell equals cell a to the power of m cross times n end exponent end cell end table

Perhatikan perhitungan berikut.

table attributes columnalign right center left columnspacing 2px end attributes row cell 8 to the power of 4 cross times 4 squared minus 2 to the power of 9 end cell equals cell open parentheses 2 cubed close parentheses to the power of 4 cross times open parentheses 2 squared close parentheses squared divided by 2 to the power of 9 end cell row blank equals cell 2 to the power of 3 cross times 4 end exponent cross times 2 to the power of 2 cross times 2 end exponent divided by 2 to the power of 9 end cell row blank equals cell 2 to the power of 12 cross times 2 to the power of 4 divided by 2 to the power of 9 end cell row blank equals cell 2 to the power of 12 plus 4 end exponent divided by 2 to the power of 9 end cell row blank equals cell 2 to the power of 16 minus 9 end exponent end cell row cell 8 to the power of 4 cross times 4 squared minus 2 to the power of 9 end cell equals cell 2 to the power of 7 end cell end table 

Jadi, jawaban yang tepat adalah B.

97

5.0 (1 rating)

Pertanyaan serupa

Diketahui a, b, dan c adalah bilangan real positif. Jika a4b5​bc​​=ab, maka nilai  adalah ...

54

3.5

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ruangguru WhatsApp

081578200000

Email info@ruangguru.com

info@ruangguru.com

Contact 02140008000

02140008000

Ikuti Kami

©2022 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia