Question

how many significant figures are in the number 0.010? 0.010 has ? significant figures.

Explanation:

Step1: Identify leading zeros

Leading zeros (before non-zero digits) in a decimal are not significant. In 0.010, the two zeros before 1 are leading zeros, so they are excluded.

Step2: Identify non-zero digits

Non-zero digits are always significant. The digit 1 is significant.

Step3: Identify trailing zeros

Trailing zeros after a decimal point, following a non-zero digit, are significant. The final 0 after 1 is significant.

Step4: Count significant figures

Count the significant digits: 1 and 0, so total 2.

Answer:

2