Express the number in terms of j (if necessary, round the result to three significant digits). $\sqrt { - 6 }$
A) $- 2.45 j$
B) $6 j$
C) $2.45$
D) $2.45 j$
E) $- 2.45$

Question

Quizplus · Accepted Answer

We know that $\sqrt{-1}=i$. Therefore, we can write $\sqrt{-6}=\sqrt{6}\sqrt{-1}=2.45i\approx 2.45j$ (since the question asks for the answer in terms of "j"). Thus, the correct choice is D.

Express the Number in Terms of J (If Necessary, Round −6\sqrt { - 6 }−6​

Express the Number in Terms of J (If Necessary, Round $\sqrt { - 6 }$