729 to the power minus 3 to the power minus 1 by 9 to the power minus 3 - Maths - Exponents and Powers

Question

729 to the power minus 3 to the power minus 1 by 9 to the power
minus 3

Varun Rawat · Accepted Answer

729-3-19-3=72939-3         as, amn = amn=9339-3=999-3=99+3         as, am ÷ an = am-n=912