Question

qual a resposta por favor?

A) (+9)¹²:(+9)⁸x(+9)⁴

b) [(-3)²]⁴

Answer 1

A) (+9)¹²:(+9)⁸x(+9)⁴=
9^12-8 x (+9)^4=
9^4 x (+9)^4=
9^4+4=
9^8=
43..046.721


b) [(-3)²]⁴=
(-3)^8=
+6.561

Answer 2

A) (+9)¹²:(+9)⁸x(+9)⁴ = (+9)¹²⁻⁸ x (+9)⁴⇒(+9)⁴x (+9)⁴ ⇒ (+9)⁴⁺⁴ = (+9)⁸ =43046721

b) [(-3)²]⁴ = (-3)²ˣ⁴ ⇒(-3)⁸ = 6561