C-04-Q045mediumsingle_mcq2−3=?2^{-3} = ?2−3=?a−8-8−8b18\dfrac{1}{8}81c−18\dfrac{-1}{8}8−1d−6-6−6ব্যাখ্যাA negative exponent gives the reciprocal of the positive power: 2−3=123=182^{-3} = \dfrac{1}{2^3} = \dfrac{1}{8}2−3=231.