Final answer:
The value of 5⁽⁻³⁾ is 1/125.
Step-by-step explanation:
The value of 5-3 is equal to 1/125. When we have a negative exponent, we can rewrite it as the reciprocal of the base raised to the positive exponent. So, 5-3 becomes 1/53, which is equal to 1/125. Therefore, the correct option is b) 1.