PreCal Exp & Log TEST

Find the balance in the account after the given period.

$12,000 principal earing 4.8% compounded annually after 7 years.

• $3,243.19

• $16,661.35

• $15,243.19

• $4,661.35

Find the balance in the account after the given period.

$5000 deposit earning 1.5% compounded quarterly after 3 years

• $5,229.70

• $7,604.38

• $7,777.27

• $5,538.86

A college receives a donation of $955,000 that earns 5.33% interest compounded daily. How much interest would the college earn in one year?

• $52,278.53

• $50,901.50

• $1,005,901.50

• $1,007,278.53

How much would Zion earn on a deposit of $10,000 one year at 5.12% compounded daily?

• $512.00

• $525.30

• $10,523.30

• $10,512.00

Avery deposits $8000 in a one year CD at 3.2% interest, compounded daily. What is Avery's ending balance?

• $8,528.72

• $8,000.70

• $8,256.00

• $8,260.13

Your $54,200 2 year car loan is at 15.1% compounded annually. What will you have paid for your car after 2 years?

• $62,693.15

• $62,384.20

• $71,804.21

• $341,465.42

In a lab experiment, 2200 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to be cut in half every 6 hours. How many bacteria would there be after 13 hours?

• 624

• 518

• 490

• 362

Tags

CCSS.HSF.LE.A.4

The half-life of cobalt-60 is 5.26 years. Given a sample of 147 grams, approximately how much cobalt 60 will be left after 15 years?

• 115 grams

• 94 grams

• 73 grams

• 20 grams

Tags

CCSS.HSF.LE.A.4

Rewrite in exponential form:

log₉x=2

• 9^x=2

• 2^x=9

• 2⁹=x

• 9²=x

Tags

CCSS.HSF.BF.B.5

Write 6^x = 8 in log form.

• log₆ 8 = x

• log₈ 6 = x

• log₆ x = 8

• log₈ x = 6

Tags

CCSS.HSF.BF.B.5