Respuesta :
B.9 because the base is always what something is being applied to. here, the exponent 12 is being applied to the base 9.
Answer:
the base of the expression is 9
Step-by-step explanation:
For any exponent a^n
'a' is the base and 'n' is the exponent
The bottom number is the base always and top number is the exponent
In the given expression ,
9^12
the base of the expression is 9
the top number is the exponent is 12
So here the base of the expression is 9