Answer: 0.05
Step-by-step explanation:
The eccentricity of the majority of the planetary orbits in our solar system is approximately 0.05. This means that the orbits are nearly circular and deviate slightly from a perfect circle. The eccentricity of an orbit is a measure of how much it deviates from a perfect circle, with an eccentricity of 0 representing a perfectly circular orbit and an eccentricity of 1 representing a highly elliptical orbit.