# How do you simplify t^4•t^5•t^7?

${t}^{16}$
using : ${a}^{m} \times {a}^{n} = {a}^{m + n}$
hence ${t}^{4} . {t}^{5} . {t}^{7} = {t}^{4 + 5 + 7} = {t}^{16}$