Answer:
first one is 42
second one is 3/8
Step-by-step explanation:
Can I see the full problem from the worksheet?your work looks correct to me.
Good night,
<span>Irrational numbers
are those that can't be expressed as a fraction:
12.89 can be expressed as: </span>


<span>The above numbers
can be expressed as a fraction, then the logical answer is: </span>

But we will check the answer:

As you can see we can't express that number as a fraction, so that is te correct answer.
40
Or at least that what my calculator says.