Answer:

Step-by-step explanation:
we know that
When we compare positive fractions with the same numerator, the largest rational number will be the fraction with the lowest denominator
In this problem we have
and 
Both numerator are equal
Compare the denominators

therefore
is the largest rational number

= 7.348469228
this is irrational, because it cannot be written in the form

2. Irrational
Estimation is a way to find out the approximation of something. It is important because it kinda leads to what the correct answer is and it is needed because you can estimate how much a bill would be or you could estimate how much is the area or size of something. It's very important...