Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:

Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is

1.	Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:
A.	0.45
B.	0.88
C.	0.9
D.	0.7
Answer» D. 0.7