How do i round 4970 to have 2 significant figures?

Of General Interest

1. Some female track stars now admit to Washington Post that Nike's Olympic uniforms are beautiful - nothing to be outraged about

2. Am I living in the twilight zone? The Boston Marathon weather was terrible!

3. Is there a rule against attaching a helium balloon to yourself while running a road race?

4. How rare is it to run a sub 5 minute mile AND bench press 225?

5. Nike unveils swimsuits - I mean Team USA Olympic track uniforms - to universal mockery (pics) & dresses Kipchoge up like a clown

6. Matt Choi was drinking beer halfway through the Boston Marathon

7. Move over Mark Coogan, Rojo and John Kellogg share their 3 favorite mile workouts

8. NAU women have no excuse

9. 2024 College Track & Field Open Coaching Positions Discussion

10. Des Linden: "The entire sport" has changed since she first started running Boston.