Question

5^x×5^-3=5^8


find the value of x​

Answer 1

Answer:

11

Step-by-step explanation:

5^x × 5^-3 = 5^8

=> x + (-3) =8

=> x = 8 + 3

=> x = 11

Answer 2

${5}^{x} \times {5}^{ - 3} = {5}^{8} \\ {5}^{ - 3 + x} = {5}^{8} \\ here \:base \: is \: same \: so \\ - 3 + x = 8 \\ x = 11$