This becomes........
sqrt(72/50) x sqrt(x^16/x^36)= sqrt(36/25) x sqrt(x^-20)= 6/5 x x^-10= 6/(5x^10)
True
-1, -2, -4, -8, ... is the non-arithmetic sequence. It’s geometric as there’s a common ratio of 2.
B is the answer to the question 6.8
the answer is 3.62 x 10 to the -3 power
