Answer:
$97,958.42
Step-by-step explanation:
To solve this problem we can use the compound interest formula which is shown below:
<em>P = initial balance </em>
<em>r = interest rate </em>
<em>t = time </em>
<em> </em>
First change 6.5% to its decimal form:
6.5% -> -> 0.065
Next plug in the values:
They have to pay back $97,958.42
<em><u>Question:</u></em>
Is square root of 1.6875 a rational number ?
<em><u>Answer:</u></em>
Square root of 1.6875 a rational number is not a rational number
<em><u>Solution:</u></em>
Given that we have to find square root of 1.6875 and determine if it is rational number or not
Let us first find square root of 1.6875
Let us understand about rational number
A rational number is a number that can be expressed as a fraction (ratio) in the form where p and q are integers and q is not zero.
When a rational number fraction is divided to form a decimal value, it becomes a terminating or repeating decimal.
So the number 1.29903810568 is not a rational number
<em><u>In other words we can say,</u></em>
Only the square roots of square numbers are rational. Here 1.6875 is not a perfect square. So it is not rational number
