Question

State the number of significant figures in
the following
i) 600800
iv) 5213.0
ii) 400
v) 2.65 X 10^24 m
iii) 0.007
vi) 0.0006032​

Answer 1

i) six significant figures

ii) three significant figures

iii) one significant figure

iv) five significant figures

v) three significant figures

vi) four significant figures

Basic rules of Significant figures

• All non-zero digits are considered significant. 223 has three significant figures.
• Zeros in between two significant figures are also significant. 101 has three significant figures.
• The zeros to the left of the non-zero digits are not significant. 0.089 has two significant figures.
• The ending zeros or final zeros are significant. 700 has three significant figures.