List the elements in each set.

x is a number that satisfies two conditions: is even and greater than 10.

Step-by-step explanation:

We know

Also,  once is an even number, we can represent it as

But once it cannot be negative,  

Finally,

We have the set

 3.4  ×  17.015  =  58

Step-by-step explanation:

3.4 →  two non-zero digits  =  two sig figs

17.05 →  four non-zero digits  =  four sig figs

- hope this helps!