Which of the following has the least number of significant figures?

Which of the following has the least number of significant figures?

Step 1: Understand what significant figures are. Significant figures are the digits in a number that carry meaning contributing to its precision.
Step 2: Identify the numbers you are comparing. In this case, we are looking at the number 0.045.
Step 3: Count the significant figures in 0.045. The leading zeros (the zeros before the 4) are not significant. The digits 4 and 5 are significant.
Step 4: Conclude that 0.045 has 2 significant figures (the 4 and the 5).
Step 5: Compare this with other numbers (if provided) to determine which has the least number of significant figures.

No concepts available.