Posted by Hannah on Saturday, March 6, 2010 at 4:36pm.
∆L = á Lo ∆T
(25.054 cm  25.000 cm) = á (25.000 cm)(102°C  25°C)
.054 = a(1925)
1925/.054 = 35648.14
Did I solve the equation correctly?

Physics  drwls, Saturday, March 6, 2010 at 4:41pm
If you are solving for the coefficient of thermal expansion, a, your last equation has an upside down fraction on the left