Question

How many significant figures are in 30.00 ??​

Answer 1

Answer:

Explanation:

In a number with decimal, zeros on the right of the last non-zero digit are significant. Therefore 30.00 has four significant figures.

Answer 2

★ there are 4 significant figures are in 30.00 .

Significant figures :-

significant figures are meaningful digits which are known with certainty plus one which is estimated or uncertain . the uncertain is indicated by writing the certain digits and the last uncertain digit .

the rules for determining the number of significant figures :-

❶ all non - zero digits are significant .

eg : 123 has 3 significant figures.

❷ zeros preciding to first non-zero digit are not significant. eg : 0.001 has only 1 significant figures.

❸ zeros between two non-zero digits are significant. eg : 1.001 has 4 significant figures.

❹ zeros at the end or right of a number are significant, provided they are on the right side of the decimal point. eg : 0.1001 has 4 significant figures.