Given that 10^(0.48) = x, 10^(0.70) = y and x^z = y^2, then the value of z is close to:

Given that 10^(0.48) = x, 10^(0.70) = y and x^z = y^2, then the value

1.	Given that 10^(0.48) = x, 10^(0.70) = y and x^z = y^2, then the value of z is close to:
A.	1.45
B.	1.88
C.	2.9
D.	3.7
Answer» D. 3.7