Which expressions are equivalent to 1.07^2t

$${\left({\left({\mathtt{1.07}}\right)}^{{\mathtt{2}}}\right)}^{{\mathtt{t}}}$$ or $${\left({\left({\mathtt{1.07}}\right)}^{{\mathtt{t}}}\right)}^{{\mathtt{2}}}$$

Which expressions are equivalent to jj2kj+j+2k