Question

Simplify 5 to the negative 4th power over 5 to the 3rd

Answer 1

"5 to the negative 4th power over 5 to the 3rd" translates to

5⁻⁴ / 5³

So you can just combine exponents.

5⁻⁴ / 5³ = 5⁻⁴ ⁻ ³ = 5⁻⁷ = 1/5⁷

Final answer: 1/5⁷