Use the binomial theorem:

In this case,

The
term occurs for
:

Answer:
Monthly payment is $5970
Step-by-step explanation:
Given : April invested in a lifetime annuity that begins payments at age 65. Her life expectancy is 89. April invested a $1,000,000 into the annuity, which earns 4.4% APR compounded monthly.
To find : what is April's monthly payment amount?
Solution :
Formula of monthly payment
Monthly payment,
Discount factor
Where, Amount = $1,000,000
Rate r= 4.4%=0.044 compounded monthly
Time = 89-65=23 years
Now, put all the values we get,
Monthly payment,
Approximately,monthly payment is $5970
Answer:
8
Step-by-step explanation:
A^2 + B^2 = C^2
36+?=100
100-36= 64
Square root of 64 is 8