mnnm×mmnn equals
(m+n)mn
(n)m+n
(m)m+n
(mn)m+n
mnnm×mmnn
= mn×mm×nm×nn
= mn+m×nm+n
= (mn)m+n
25mnnm×52mmnn =
am ÷ an = a______
am × an = a______
am X an = a______