5^9 * 5^(-13)
= 5^(9 + -13) (applying the product rule)
= 5^(-4) (simplifying the exponent)
= 1/5^4 (applying the negative exponent rule)
= 1/625 (calculating the value)
Apply all exponents rule quick check
5 power 9 . 5 -13 power
1 answer