Which of the following is true?
(i) The result of a measurment may be absolutely precise or it may have some uncertainty.
(ii) Scientists have agreed that a number expressing a measurement will include all digits which are certain and a last digit whcih is uncertain. (iii) Total number of digits in the number expressing a measurent is called the number of significant figures.

Options

A. (i),(ii)
B. (ii),(iii)
C. (i),(iii)
D. (i),(ii),(iii)

Answer

D

Explanation

Accuracy increases with increases in the number of significant figures.