Answer:
[tex]40a^{7}[/tex] is the answer.
Step-by-step explanation:
[tex]2^{3} * a^{3} *5a^{4}[/tex]
When multiplying values with exponents that have the same base (in this case, a), the exponents are added to each other.
[tex]2^{3} *5a^{7}[/tex]
[tex]40a^{7}[/tex]
#teamtrees #WAP (Water And Plant)
