Which equations with exponential expressions are true?
Select all that apply.
A 33 = 3.3
B. 52 = 5.5
C. 54 = 4.4.4.404
D. 7.7.7.7.7.7 = 67
E. 7.7.7.7.7.7 = 76
F. 7.7.7.7.7.7 = 77​