**The speed of light to five significant figures is 2.9979 x 108 m/s. What is the speed of light to three significant figures?**

**Answer:**

Speed of light c

This value in three significant figures is

**The speed of light to five significant figures is 2.9979 x 108 m/s. What is the speed of light to three significant figures?**

**Answer:**

Speed of light c

This value in three significant figures is