Exponential, Logarithms, and Rational Expressions Review

A population of bacteria doubles every 4 hours. If the initial population is 200, what will the population be after 12 hours?

• 400

• 800

• 1600

• 3200

The half-life of a radioactive substance is 5 years. If you start with 80 grams, how much will remain after 10 years?

• 20 grams

• 40 grams

• 10 grams

• 5 grams

• 1

• 2

• 3

• 10

• Power property

• Product property

• Quotient property

• Change of base property

• 3

• 4

• 5

• 6

• 0

• 1

• -1

• Undefined