Question

simplyfy:3^-5×10^5×5^3÷5^-7×6^5×5^5

Answer 1

3 ^-5-5   x    2^5-5   x   5^5+3+7-5

3^-10   x  2^0     x     5^10

3^-10   x    5^10

or

5^10 / 3^10