Evaluate 893 + 412 ext (mod 4).

To find the remainder when dividing by 4, we only need to consider the last two digits of the number.

$$1305 \pmod{4} \equiv 05 \pmod{4}$$ $$5 \div 4 = 1 \text{ with a remainder of } 1$$

So, $1305 \equiv 1 \pmod{4}$.

The final