Which number sentence is true?

Question

A. -6.1 + (-3.3) = -2.8
B. -6.1 + (-3.3) = 2.8
C. -6.1 + (-3.3) = 9.4
D. -6.1 + (-3.3) = -9.4

Answer 1

A. -6.1 + (-3.3) = -2.8