2. lesson 81.notebook April 22, 2014
Lesson 81 WarmUp:
1) 10 lb 6 oz
- 7 lb 11 oz
2) 600 is 5/9 of what number?
3) What number is 4% of 400?
4) Tina mowed lawns for 4 hours and earned $7.00 per hour.
Then she weeded flower beds for 3 hours and earned $6.30 per
hour. What was her average hourly rate for the 7 hours?
5) Write 30 x 106 in scientific notation.