Question

Select the word that is correct for formal usage.

We will leave in _____ one hour.

about
approximatel

Answer 1

approximately

Step-by-step explanation:

about would be best for a more informal/laid-back conversation.

Answer 2

We will leave in approximately one hour.

Step-by-step explanation:

'About' is a much more commonly used word in the english language. 'Approximately' is used more formally.