Question

hey guys can you please help me with a problem?? :))

Answer 1

its attached above :D

Answer 2

i will award medals. :o

Answer 3

its is simple law of indices (16)^0.2=(2^4)0.2=(2)^(0.2*4)=(2)^0.8
multiplied to it is 2^0.2
so net ans is 2^(0.2+0.8)=2.0

Answer 4

so it's the third one down??