Unit 2 questions

These are my questions for exercising unit 2!

1. 6.2 (<, >, or =) 6.45
2. 15.62+7.2= ?
3. 3.98*0.91= ?
4. 104.26/4.96= ?
5. 4,120,000 in scientific notation
6. perimeter of a doormat:
a. 5 cm, b. 0.3 m, c. 2.5 m
7. 49 m = ? cm

"Fun" excercise

My idea of fun exercise is walking with my parents so I can discuss things with them. I also enjoy playing badminton because I think of it as a sport that isn't too competitive and you can just play it for fun. I love running too because it clears my mind and makes me happy.