Answer:
[tex]a)9^8[/tex]
Step-by-step explanation:
An expression that represents repeated multiplication of the same factor is known as a power. The exponent corresponds to the number of times the base is used as a factor.
Therefore, for the given expression:
[tex]9\cdot9\cdot9\cdot9\cdot9\cdot9\cdot9\cdot9=9^8[/tex]
