A best estimate is the best guess that you can give for an answer. It is not really done using a formula, just by comparing things in your mind.
Chat with our AI personalities
The best estimate is, of course, the correct value, which is so easy to calculate that I am astounded that anyone would want to estimate it. 128 + 375 = 125 + 3 + 375 = 125 + 375 + 3 = 500 + 3 = 503 The second best is 500.
guess or estimate
You have to calculate the radius - half the diameter. Then square the radius, and multiply by pi (approximately 3.1416). If you want to do a mental estimate, round pi to 3.
I don't have an answer yet!
14