Scientific notation : 7.88 × 105
Answer:
The circunference is represented by the equation is
.
The graph of this function is presented in the attachment.
Step-by-step explanation:
The general equation of the circunferece is defined by the following formula:
(1)
We can determine the value of the coefficients by knowing three distinct points:
,
, 
The system of linear equations is:
(2)
(3)
(4)
The solution of this system is:
,
,
.
The circunference is represented by the equation is
.
The graph of this function is presented in the attachment.
$34.60 rounds to $35
$24.99 rounds to $25
$527.85 rounds to $528
Now add the rounded numbers together:
$35
$25
$528
————-
$588.00 (estimated monthly expenses)
The correct answer is: 20Explanation:We can write 1/10 of 200 in the form of equation as follows:

Where x represents that number we want to find.
Hence x = 20