Assume that the prices of consumer goods are increasing by 3.2% each year. Write an exponential function to model the increase in prices. Use your model to predict the price of a 3.4 litre of juice that now costs $3.49 in 25 years.

6. Express each answer as a single POSITIVE exponent. Do not evaluate.

a) 5^3x5^7b) 10^8c) 4^4 4^5

10^6

7. Simplify, then evaluate the following expression: 8^4 8^3

8^5