Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: The following represents a number displayed on a calculator. 1.454545 E3. Which of the following shows how a student should record this number in a laboratory report?
1.45 x 10^3
1.454545 × 10³