Question

(6^1)^7:6^-59
9^13*3^-50

Answer 1

$(6^{1})^{7}: 6^{-59}= 6^{7} : 6^{-59}= 6^{7-(-59)}=6^{66}$ 

$9^{13} * 3^{-50} = 9^{13} * 9^{-25} = 9^{-12}$