An aluminum-alloy rod has a length of 10.006 cm at 23.400°C and a length of 10.024 cm at the boiling point of water.
(a) What is the length of the rod at the freezing point of water? (Answer to the nearest 0.001 cm.)
(b) What is the temperature if the length of the rod is 10.021 cm? (in degrees celsius)