Answer:
[tex]1024b^5[/tex]
Step-by-step explanation:
You gave no expressions so I shall present this expression in an expanded form
The equivalent expression via expanding the brackets:
[tex](4b)^5 * (4)^5\\\\4b^5 * 1024 = 1024b^5[/tex]
If you include the expressions I may be able to help more.
Hope this helps!