Which sentence expresses numbers correctly?
A)You may contact me at (555)-394-1228, Ext 34.
B)You may contact me at 555/394-1228 Ext 34.
C)You may contact me at (555) 394-1228, Ext.34.

Question

Quizplus · Accepted Answer

The correct way to express phone numbers with extensions is to use parentheses around the area code and hyphens between the numbers of the phone number. The extension can be abbreviated with "Ext." followed by the number or with a pound sign (#) before the number. Therefore, option C is the correct choice as it follows this format.

Which Sentence Expresses Numbers Correctly