There is a difference between academic and practical.
Pick a random single digit number and start dividing by two….you’ll mathematically never reach zero.
For all practical intents and purposes you will.
Have you ever done anything around the house as far as DIY handyman stuff?
You measure 2 3/4 inch on a non calibrated measuring tape that you bought at Home Depot.
Does it matter if it’s 2.75000000000 inch exactly or 2.7532568? Or roundabout 2 3/4?
Cut it with a saw with a thickness of about 1/10th of an inch?
What if the ATC controller took a swig of coffee and delayed the take off clearance by a second.
Brah it’s a useless scenario and I want my 182 seconds back that it took to type the answer.