Question

Which is the simplified form of r ^-7 +8 ^-12 ?

Answer 1

`(1)/(r^(7) + 8^(12))`

Explanation:

We need to make the negative exponents positive my puting it over one.

so:

`r^(-7) + 8^(-12)\\ =(1)/(r^(7) + 8^(12))\\ =(1)/(r^(7) + 68719476736)\\` <--- This answer could be right.