Determine T10 of the following geometric sequence

Question

T2=4x and T5=x^4/8(x exponent 4 divided by 8)

Answer 1

T5/T2 = r^3, so

r^3 = (x^4/8)/(4x) = x^3/32
r = x/∛32

I suspect a typo, but we'll go with what we have.

T10 = T5 r^5 = x^4/8 * x^5/(256∛2) = x^9/(2048∛2)