Question

Which of the following expressions are equivalent to (6.2+6.2)+9.4

Answer 1

a and e

Explanation:

(6.2 + 6.2) + 9.4 = 21.8

6.2 + (6.2 + 9.4) = 21.8

-(-6.2 + 6.2) + 9.4 = 9.4

-(6.2 + 6.2) + 9.4 = -3

6.2 - (-6.2 - 9.4) = 21.8