List of top Physics Questions on Significant figures

For an experimental expression \( y = \frac{32.3 \times 1125}{27.4} \), where all the digits are significant. Then to report the value of \( y \), we should write:
Number of significant figures in 42306, 0.0007 and \(6.5 \times 10^{-3}\) are respectively.
The number of significant figures in 0.03240 is
Express the final answer to the proper number of significant figures: \[ 18.0 + 11.515 + 13.2 = \ldots \]
Time periods of oscillation of the same simple pendulum measured using four different measuring clocks were recorded as 4.62 s, 4.632 s, 4.6 s and 4.64 s. The arithmetic mean of these reading in correct significant figure is.
The length of the side of a cube is \( 1.2 \times 10^{-2} \) m. Its volume up to correct significant figures is:
Match List - I with List - II.
List - I(Number)List - II(Significant figure)
(A) 1001(I) 3
(B) 010.1(II) 4
(C) 100.100(III) 5
(D) 0.0010010(IV) 6
Choose the correct answer from the options given below :
The length of the side of a cube is \( 1.1 \times 10^{-2} \) m. Its volume in \( m^3 \) up to correct significant figures is:

Identify which of the following statements regarding significant figures are correct. 
A. 6.405 has four significant figures. 
B. 12300 has five significant figures. 
C. 0.00421 has five significant figures. 
D. 4.500 has four significant figures. 
Choose the most appropriate answer from the options given below.

Add \( 2.7 \times 10^{-5} \) to \( 4.5 \times 10^{-4} \) with due regard to significant figures
The number of significant figures in 4.870 m is: