The amount used to measure something is referred to as unit. There are varied units of measure like pounds, joules, Celsius, meters and so much more.
Unit such as:
A foot or meter (length)
A pound or kilogram (weight)
A pint or liter (volume)
An acre or hectare (area)
A second (time)
Maybe a standard measurement is the term you are looking for.
Significant Figures
I suppose you are referring to a "unit".
precise
the estimated digit in 0.503 is 3
Glomerular filtration rate (GFR) is a measurement of how well one's kidneys are functioning. It is typically estimated on the basis of serum creatinine levels. One can learn their estimated GFR by visiting their physician.
inches for length measurement, and seconds for angular measurement
A measurement close to true size is referred to as Precision Measurement.
41.3 is an exact measurement.
Significant figure
Your measurement should include one estimated digit.
Measurement error: obviously!
500
There need not be any estimated digit but, if there must be one, then it is the last digit: 3.
The significant figures in a measurement include all digits measured exactly, plus one estimated digit.
False, one is estimated and three are known
0.503..the 3
Yes, but then there is no point in using an instrument that is that accurate!
Read the numerical value of the marked line. Finally you estimate between the smallest marked lines. The estimated value is the final digit in a measures number.
In nutrition, EAR stands for estimated average requirement. This is a measurement of the nutrient intake value estimated to meet the requirement for half the healthy individuals in a group.
the estimated digit in 0.503 is 3