Answer:

Step-by-step explanation:
Hi student, let me help you out!
<u>.........................................................................................</u>
<u></u>
To evaluate (find the value) of this expression, we need to stick in the value of b, which is 3:
.
The next operation is to cube 3 (multiply 3 times itself 3 times, or
.
Now let's multiply 2 times 27, which gives us an answer of 
Hope this helped you out! Ask in comments if even the slightest queries arise.
Best Wishes!

