Respuesta :
Answer:
20 is the value of the expression.
Step-by-step explanation:
4+ (m -n)^4 m=7 and n = 5
4+ (7-5)^4 (always solve PARENTHESES FIRST)
4+ (2)^4
4+16
20
4+ (7-5)^4 (always solve PARENTHESES FIRST)
4+ (2)^4
4+16
20