C-04-Q034mediumsingle_mcqa7b3a4b5=?\dfrac{a^7 b^3}{a^4 b^5} = ?a4b5a7b3=?aa3b2\dfrac{a^3}{b^2}b2a3bb2a3\dfrac{b^2}{a^3}a3b2ca3b2a^3 b^2a3b2d1a3b2\dfrac{1}{a^3 b^2}a3b21ব্যাখ্যাSubtracting exponents per base: a7−4b3−5=a3b−2=a3b2a^{7-4} b^{3-5} = a^3 b^{-2} = \dfrac{a^3}{b^2}a7−4b3−5=a3b−2=b2a3. The negative power on bbb moves it to the denominator.