Is -3^-5 equal to -15?

No, -3^-5 is not equal to -15.

To evaluate -3^-5, we need to first find the reciprocal of -3, which is -1/3. Then, we raise it to the power of 5, giving us (-1/3)^5. This can be expressed as (-1)^5/3^5, which simplifies to -1/243.

Therefore, -3^-5 is equal to -1/243, not -15.