2. lesson 68.notebook April 22, 2013
Lesson 68 WarmUp:
Simplify.
1) What is the circumference of a circle whose radius is 4 in.?
2) Write 12 billion in scientific notation.
3) The average of 2 and 4 is 3. What is the average of the "reciprocals" of
2 and 4?
4) What number is 75% of 64?
5) What is the tax on a $7.40 item if the sales-tax rate is 8%?