Identify base and exponent: Identify the base and the exponent.In the expression 15, 1 is the base raised to the exponent 5.Base: 1Exponent: 5
Apply exponent rule: Apply the exponent rule.Any non-zero number raised to any power is the number itself. Since the base is 1, and 1 raised to any power is always 1, we can say that 15=1 without expanding it.
Write final answer: Write the final answer.Therefore, the simplest form of 15 is 1.