Convert all to decimals for easy comparison :
0.43 = 0.43
3/7 = 0.4285
43.8 = 0.438
7/16 = 0.4375
smallest = 0.4285 = 3/7
Answer: 3/7
The first is going to be, D. & the second question is, C.
Answer:

Step-by-step explanation:
The Exponential Product rule tells us that...

Therefore,
.
Therefore, 
Angle 1. Because angle 4 and 1 are vertical angles and vertical angles are congruent.