I need someone to please check my answer for me...

add.

-1.6 + (-2.3)= the answer I got was -3.9 is this correct? if not could you tell me why and how to get the correct answer..? thank you

correct.

Yes. -3.9 is correct.

thank you

It's correct

Good luck
Good mathematician

To check your answer, we can add -1.6 and -2.3 together:

-1.6 + (-2.3) = -3.9

So, the answer you got, -3.9, is indeed correct! Well done!