Answer:
Two decimals that are equivalent to 2.145 are 2.1450 and 2.145.
Step-by-step explanation: If you are trying to find an equivalent decimal to anything the easiest way is to add zeros to the end.
Answer: 
Step-by-step explanation:
You need to remember that:
1) The definition of Greatest common factor (GCF): This is the greatest factor that divides two numbers.
2) The Product of powers property states that:

3) To find the Greatest common factor between two numbers, for example, you can descompose them into their prime factors and then choose the commons with the lowest exponent.
In this case, you have
and 
You can observe that the common base is "h", then you only need to choose the one with the lowest exponent. This is:

4) You can also rewrite
and
as:

You can observe that the common factor between
and
is: 
Then:

She will owe like 25% of the income so she will be paying somewhere around $12,814... Hope this helps and if it doesn't please tell me!