Solve Express Your Answer as a Signed Number $\frac{(-0.8)^{2}+(0.1)^{2}+(0.4)^{2}+(-0.7)^{2}}{4}$ Find This Number, Rounded to the Nearest Hundredth

Multiple Choice

Solve. Express your answer as a signed number.
-In a statistics course, you need to carry out the following computation: $\frac{(-0.8) ^{2}+(0.1) ^{2}+(0.4) ^{2}+(-0.7) ^{2}}{4}$ . Find this number, rounded to the nearest hundredth.

A) 0.42
B) 0.33
C) 0.29
D) 1.9