Question

5 la puterea minus 3 totul la puterea minus 1

adica : (5^-3)^-1

Answer 1

$(5^{-3} ) ^{-1} =5 ^{-3*-1} =5 ^{3} =125$

Answer 2

(5^(-3))^(-1)=5^((-3)*(-1))=5^3=125