Using Negative Exponents

The value of an investment account in 2018 was $120,000. Its value doubles each decade. If v is the value of the account, in dollars, write an equation for v in terms of d, decades.

Tags

CCSS.HSF.LE.A.2

Complete the table.

• The hour the patient was tested.

• 1 hour before the patient was tested.

• 1 hour after the patient was tested.

• It has no meaning.

Complete the table.

What value of h corresponds to 2 hours before the area was first measured?

• -3

• -2

• -1

• 0

How much crop area had the storm damaged 4 hours before?

• 614.4

• 960

• 1200

• 2,344

• $24,691.36. Value of the car in 2 years

• $16,200. Value of the car in 2 years

• $16,200, Value of the car 2 years ago

• $24,691.36. Value of the car 2 years ago

• $30,483.16. Value of the car in 4 years

• $13,122. Value of the car in 4 years

• $30,483.16. Value of the car 4 years ago

• $13,122. Value of the car 4 years ago

At the beginning of an experiment, a sample contained 1,900 bacterial cells. The number of cells doubles every hour. Write an equation to represent the relationship between the time t in hours since the beginning of the experiment and the number of bacterial cells in the sample y.