1The approximate cost of the project is $100,000, but this may vary depending on the materials used.
2Is the approximate time of arrival 3 pm or 4 pm?
3The approximate weight of the package is 5 kilograms, so it should fit in the car trunk.
4To get an approximate idea of the size of the room, measure the length and width of the walls.
5The approximate number of attendees at the conference was 500, but the exact figure is still being calculated.