Express 1000 with one significant figure.

The number of significant figures in all the given numbers 25.12, 2009, 4.156 and $1.217 imes {10^{ - 4}}$ is

Express 1000 with one significant figure.

The measurement $4.00 imes 10^3$ m has how many significant figures?

The length of a cube is $2.1 imes {10^{ - 2}}m$. the volume in significant figures will be

A cube has a side of length $1.2\; imes {10^{ - 2}}\;{\rm{m}}.$ Calculate its volume.

Which of the following has four significant figures?

The value of $\frac{4.0 imes 10^{-2} imes 0.00302}{200.0}$ expressed with the correct number of significant figures is:

Read the following statements and Identify the correct statement/s. A: A choice of change of different units change the number of significant digits. B: To remove ambiguities in determining the number of significant figures, the best way is to report the measurement in scientific notation. C: Solid angle made by a hemisphere at its centre is $2\pi$ steradian.

The density of a substance is measured as $3.42 imes 10^{-2}$ kg/m$^3$. How many significant figures are in this measurement?

The number 5.00 × 10² has how many significant figures?