1. Write the following in scientific notation.
a) .000345 b) 6745.23
2. Express the following as a percent.
a) 0.4 b) 1/40
3. Convert each of the percents to a decimal.
a) 4 ½ % b) 125%
4. A fast-food company uses 6% of its $75,000 budget for advertising. What amount of the budget is spent for advertising?
5. A student asks you why it is possible to have an increase of 150% in price, but not a decrease of 150% in price. How would you answer the student?
Show work please
