Practice problem
If r,s>0r,s>0r,s>0, what is (r⋅s2)−82(r\cdot s^2)^{-\frac82}(r⋅s2)−28 in radical form (or simplified if possible)?
1r4s2\frac{1}{r^4s^2}r4s21
r4s−2r^4s^{-2}r4s−2
1(rs)8\frac{1}{(rs)^8}(rs)81
1r4s8\frac{1}{r^4s^8}r4s81
Type a concept, like “slope” or “photosynthesis”.
