Respuesta :

Answer:

see explanation

Step-by-step explanation:

(c)

4 × 4 × 4 × 5 × 5

= 4³ × 5²

(d)

9 × 7 × 9 × 9 × 7 × 9 ← rearranging

= 7 × 7 × 9 × 9 × 9 × 9

= 7² × [tex]9^{4}[/tex]