Alicia thinks of a number. She divides her number by 0.01, and then multiples the answer by 0.1. She then divides this answer by 0.01 and get a final answer of 2340. What number does Alicia think of first?
Help please ^~^

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√, where h is the height (in feet) above the transmitter. estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. round your answer to the nearest tenth.