Question

-4.5 + 4.4 + ____ = 0

What’s missing?
-6.7 + 6.8
-6.7 + (-6.6)
7.2 + (-7.2)
7.2 + (-7.3)

Answer 1

-6.7+6.8

Explanation:

‐4.5+4.4+x=0====> -0.1+x=0===> x= 0.1

so we are looking for the choice with the answer of 0.1

-6.7+6.8=0.1✔

-6.7+(-6.6)= -13.3❌

7.2+(-7.2)=0❌

7.2+(-7.3)=(-0.1)❌