Consider the following from an $R$ Markdown document. Select all correct statements $($more than one may apply.$)$

In the answer output, the $"[1]"$ indicates that this is the first line of the output. Generally, this can be ignored.

The calculation being performed here is

$(-4{)}^2+\sqrt[\phantom{2}]{10}$

The calculation being performed here is

$-4^2+\sqrt[\phantom{2}]{10}$