How many significant figures are in the number 0.004560?

How many significant figures are in the number 0.004560?

Correct Answer: 4

Step 1: Identify the number given, which is 0.004560.
Step 2: Look for leading zeros. Leading zeros are the zeros before the first non-zero digit. In this case, the leading zeros are '0.00'.
Step 3: Count the significant figures. Start counting from the first non-zero digit, which is '4'.
Step 4: The digits '4', '5', '6', and the last '0' after '6' are all significant. So, we count them: 4, 5, 6, and 0.
Step 5: Therefore, the total count of significant figures is 4.

Significant Figures – Understanding how to identify significant figures in a number, including the treatment of leading zeros and trailing zeros.