To rewrite 812 using a root, we can express it in the form of a radical. The options provided seem to relate to different representations, but they are not clear. However, one common way to express numbers using roots is through square roots or cube roots, where appropriate.
If you simply want to break down 812, it could be represented as:
\( 812 = 8 \cdot 101.5 \)
But if we specifically want to emphasize representation using roots, we could rewrite it as:
\( 812 = \sqrt{812^2} \)
or more traditionally in terms of square roots:
\( 812 = \sqrt{8^2 \cdot 101.5^2} \)
However, none of the options provided seem to clearly express this representation.
If the goal is something like simplifying numbers into roots, let’s clarify one of the interpretations involving square roots:
It appears the closest and simplest representation may be:
\(\sqrt{812} = \sqrt{4 \cdot 203} = 2\sqrt{203}\)
If your aim is specifically to rewrite 812 in a different format as per the options and requirements, please let me know!