Explicaê

01

 Reduzindo a expressão  4 2 ·   8 3 16 4 - 2  a uma só potenciação, obtemos:

Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.