Answer:
B
Step-by-step explanation:
6.8,6.827,6.86,6.9
1.2,1.203,12.03, 12.301,12.31
We want to simplify √(-48).
Note that
i² = -1 by definition.
Therefore

Answer: c.
Option C: 6 is the value of 
Explanation:
The given expression is 
We need to determine the value of 
To find the value of
, let us substitute
in the given expression.
Thus, substituting
in the expression, we have,

Adding the terms, we get,

Since, we know the absolute rule that
and the simplified expression is of the form
, let us apply the absolute rule in the simplified expression.
Thus, we have,

Thus, the value of
is 6.
Hence, Option C is the correct answer.