How many significant figures are in the measurement 0.004560?

How many significant figures are in the measurement 0.004560?

Step 1: Look at the number 0.004560.
Step 2: Identify the leading zeros (the zeros before the first non-zero digit).
Step 3: The leading zeros (0.00) do not count as significant figures.
Step 4: Start counting from the first non-zero digit, which is 4.
Step 5: Count all the digits from 4 to the end of the number (4, 5, 6, and the trailing zero).
Step 6: The digits 4, 5, 6, and the trailing zero are all significant.
Step 7: Therefore, the total number of significant figures is 4.

Significant Figures – Significant figures are the digits in a number that contribute to its precision, including all non-zero digits, any zeros between significant digits, and trailing zeros in the decimal portion.