Respuesta :

Answer:

8b³

Step-by-step explanation:

Given

(2b)³

= 2b × 2b × 2b

= 2 × 2 × 2 × b × b × b

= 8 × b³

= 8b³

Answer:

Step-by-step explanation:

(2b)³ = 2³*b³ =  8b³