Irrational number: Any real number that cannot be written in fraction form is an irrational number.
Answer:
Option C
Step-by-step explanation:

Lets convert it into improper fraction.

Lets convert
into a mixed fraction.

Rounding off 7.04 gives 7 and rounding 7 further gives 10.
So , the estimate of the product is 10

thats the slope, you can also get a decimal out of it
The answer is 20/27. 8/9x5/6=20/27.