Question

When Tom simplified the expression -2.6 + (-5.4), he got 2.8. What mistake did Tom likely make?

Answer 1

Answer:Tom thought the addition sign made the -5.4 positive when all it did was remove the parenthesis making it -2.6 - 5.4 which equals -8.

Explanation:

Answer 2

Tom thought the addition sign made the -5.4 positive when all it did was remove the parenthesis making it -2.6 - 5.4 which equals -8.

Explanation: