Question

Medal and fan reward (Exponents)

Answer 1

Apply one of the exponent rule: \(\sf (a^n)^m=a^{mn}\)

so in your question:
\(\sf ((5^{-10})(3^{-7}))^8\\(5^{-10})^8 \times (3^{-7})^8\)

can you simplify it for me using the rule?