Want this question answered?
Your measurement should include one estimated digit.
The estimated trillion digits of pi are 27 trillion digits. An exact equal value would require an infinite number of digits and cannot be proved to any exact trillions.
It is important to consider the precision of the measuring equipment.
It includes all of the digits that have been measured exactly, plus one estimated digit.
The significant figures in a measurement include all digits measured exactly, plus one estimated digit.
Significant
significant digits. for short they are called "sig. figs."
estimated
Estimated
Measuring Digits are TWELVE (inches) in the British System and HUNDRED (centimetres) in the Metric System
The last digit is always the estimated digit in a number
None of the digits need be estimated.
1
Your measurement should include one estimated digit.
Any digital device - as opposed to an analogue device.
analog
Significant Figure.