Answer:
b
Step-by-step explanation:
7^3 is 343
343 is
300+40+3 in expanded notation form
(3 x 100) + (4 x 10) + (3 x 1) in expanded factors form
(3 x 10^2) + (4 x 10^1) + (3 x 10^0) in expanded exponential form
i hope this helps...
