Answer:
A, C, D and E
Step-by-step explanation:
The square root of 324 is 18 so both 18^2 and -18^2 will result to 324.
A. 324^1/2 = 18^2 = 324
B. 9^2 = 81
C. 18^2 = 324
D. -18^2 = 324
E. -324^1/2 = -18^2 = 324
F. 162^2 = 26244
