Question Detail
Question
Determine the number of significant figures in the following measurements: 345 cm, 6.050 m, 1.310 × 10²² atoms, 0.00134 m
Correct Answer
Option C is the correct answer.
Detailed Explanation
345 cm has 3 sig figs. 6.050 m has 4 sig figs (trailing zero after decimal counts). 1.310 × 10²² has 4 sig figs. 0.00134 m has 3 sig figs (leading zeros don't count).
Hint
Rules: non-zero digits always count; zeros between non-zero digits count; trailing zeros after decimal count; leading zeros don't count.