Growth, Decay, & Compound Interest

What does a represent?​ (a)  

• initial amount
• final quantity
• total value
• remaining balance

How do you change a percent (%) to a decimal? Choose 2

• Change the % to a .

• Move it to the right 2 places.

• Move it to the left 2 places.

• What's a percent???

• Divide the % by 100

What is the value of a?

• 0.91%

• 12

• 303,146,000

• 2008

What is the rate written as a decimal?

(MAKE SURE TO MAKE IT A DECIMAL)​ ​

​ (a)  

• 0.0091
• 0.091
• 1.0
• 0.0001
• 0.91
• 91
• 100

The time between 2020 and 2008 is ​ (a)   years

• 12
• 10
• 5
• 15
• 20

Determine the values of each.

a =​ ​ (a)  

r = ​ (b)  

t = ​ (c)  

• 6641000000
• 1234567890
• 1111111111
• 0.013
• 1.3
• 130
• 12
• 1
• 8
• 20

What is the growth factor for (1 + 0.013)

• 1.013
• 1.100
• 1.030
• 1.003

What is different about the formulas?

​ (a)  

• Growth has a + and decay has a -
• There is no difference
• One is for growth and one is for decay

Determine the value of each.

a =

r =

t =