Pertanyaan

Diketahui a=4, b=2, dan c= 2 1 . Nilai ( a − 1 ) 2 × c − 3 b 4 adalah ....

Diketahui a=4, b=2, dan c= $\frac{1}{2}$ . Nilai $(a^{- 1})^{2} \times \frac{b ^{4}}{c ^{- 3}}$ adalah ....

F. Pratama

Master Teacher

Mahasiswa/Alumni Universitas Putra Indonesia YPTK Padang

Jawaban terverifikasi

Pembahasan

$open parentheses a to the power of negative 1 end exponent close parentheses squared cross times b to the power of 4 over c to the power of negative 3 end exponent equals fraction numerator b to the power of 4 c cubed over denominator a squared end fraction equals fraction numerator 2 to the power of 4 open parentheses begin display style 1 half end style close parentheses cubed over denominator 4 squared end fraction equals fraction numerator 16 open parentheses begin display style 1 over 8 end style close parentheses over denominator 16 end fraction equals 1 over 8$