Roboguru
SD

a2a7×a−5​=....

Pertanyaan

begin mathsize 14px style fraction numerator a to the power of 7 cross times a to the power of negative 5 end exponent over denominator a squared end fraction equals end style....

  1. begin mathsize 14px style 1 over a end style  

  2. 0

  3. 1

  4. begin mathsize 14px style a end style  

M. Robo

Master Teacher

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah C.space space 

Pembahasan

Ingat bahwa begin mathsize 14px style a to the power of m cross times a to the power of n equals a to the power of m plus n end exponent end style, begin mathsize 14px style a to the power of negative n end exponent equals 1 over a to the power of n end style, dan begin mathsize 14px style a to the power of m divided by a to the power of n equals a to the power of m minus n end exponent end style. Maka kita peroleh

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell fraction numerator a to the power of 7 cross times a to the power of negative 5 end exponent over denominator a squared end fraction end cell equals cell fraction numerator a to the power of 7 over denominator a squared cross times a to the power of 5 end fraction end cell row blank equals cell a to the power of 7 over a to the power of 2 plus 5 end exponent end cell row blank equals cell a to the power of 7 over a to the power of 7 end cell row blank equals cell a to the power of 7 minus 7 end exponent end cell row blank equals cell a to the power of 0 end cell row blank equals 1 end table end style     

Jadi, jawaban yang tepat adalah C.space space 

104

5.0 (4 rating)

Pertanyaan serupa

Bentuk paling sederhana dari n2x+y÷ny−3x adalah  ....

77

5.0

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