Question

Which expression is equivalent to(7).?O -7,6bro help i’m gonna start crying

Answer 1

The expression given is,

$(t^{-7})^6$

Simplify the expression to get the similar expression,

$t^{-42}$

Again simplify it,

$t^{-42}=\frac{1}{t^{42}}$

The correct option is b.