how many significant figures are in this length? 1.20407×10^{10} m
how many significant figures are in this length? 1.20407×10^{10} m
Answer
Explanation:
Step1: Recall significant - figure rules
In scientific notation (a\times10^{n}), the significant figures are in the coefficient (a).
Step2: Count significant figures in the coefficient
The coefficient is (1.20407). Non - zero digits ((1), (2), (4), (7)) are significant. Zeros between non - zero digits ((0) between (2) and (4)) and trailing zeros after a decimal point ((0) after (4)) are also significant.
Answer:
6