y^7=8, y=what
y^7=8
y=1.3459001926323561
(It is less than a trillionthmore than that.)
y is the seventh root of 8, so y = 81/7
$${\mathtt{y}} = {{\mathtt{8}}}^{\left({\frac{{\mathtt{1}}}{{\mathtt{7}}}}\right)} \Rightarrow {\mathtt{y}} = {\mathtt{1.345\: \!900\: \!192\: \!632\: \!356\: \!2}}$$
.
Thejamesmachine, you need to show how you get the answers :/