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b = 2
c = 1/2
(a⁻¹)² x b⁴/c⁻³
= (1/4)² x (2⁴)/(1/2)⁻³
= (1/16) x 16(1/8)
= (1/16) x 2
= 1/4
Jawaban: B
2 pakt 4 per 1/2 pngkt -3 = 2 pgkt 4 kali 2 pangkt -3 = 2 pangkt 1
4 pangkat -2 x 2 pangkat 1
= (2 pakt 2) pangkt -2 x 2 pangkat 1
= 2 pangkat -4 x 2 pangkat 1
= 2 pangkat -3
= 1/8 jawabannya (c)