Answer:
[tex]8a^7[/tex]
Explanation:
[tex]4a^5[/tex] × [tex]2a^2[/tex]
[tex]=[/tex] [tex]4[/tex] × [tex]2[/tex] × [tex]a^5[/tex] × [tex]a^2[/tex]
[tex]=[/tex] [tex]8[/tex] × [tex]a^7[/tex]
[tex]= 8a^7[/tex]
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