Question

Simplify the following numerical expressions.

|7| - 7 =
2|-7| =
(-7)^2 =
-7-|-7|=
-7-1-71=

Answer 1

|7| - 7 = 0

2|-7| = 14

(-7)^2 = 49

-7-|-7|= -14

-7-1-71= -79

Explanation:

Answer 2

|7| - 7 = 0

2|-7| = 14

(-7)^2 = 49

-7-|-7|= -14

-7-1-71= -79

Explanation: