jika 16m=9, maka 2⋅4m−2−41+m3​=...

Pertanyaan

jika 16 to the power of straight m equals 9, maka 2 times 4 to the power of m minus 2 end exponent minus 3 over 4 to the power of 1 plus m end exponent equals...

  1. negative 1 fourth

  2. negative 1 over 8

  3. 0

  4. 1 over 8

N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

16 to the power of straight m equals 9  left right double arrow 4 to the power of 2 straight m end exponent equals 3 squared  left right double arrow 4 to the power of straight m equals 3

sehingga

2 times 4 to the power of m minus space 2 space end exponent minus 3 over 4 to the power of 1 plus m end exponent  equals 2.1 over 16.4 to the power of m minus fraction numerator 3 over denominator 4.4 to the power of m end fraction  equals 1 over 8.3 minus fraction numerator 3 over denominator 4.3 end fraction equals 3 over 8 minus 1 fourth  equals fraction numerator 3 minus 2 over denominator 8 end fraction equals 1 over 8

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