Which of the following has the highest number of significant figures?

Options

A. `0.007 m^(2)`
B. `2.64 xx 10^(24) kg `
C. `0.0006032 m^(2)`
D. `6.3200 J `

Answer

D

Explanation

According to the rules of significant figures `0.007 m^(2)` has one significant figures.
`2.64 xx 10^(24) ` kg has three significant figures.
`0.0006032 m^(2)` has four significant figures.
`6.3200 J ` has five significant figures.