If the length of a square is 2 cm, then its area in SI system is

Options

A. 4 `cm^(2)`
B. `4 xx 10^(4) m^(2)`
C. `4 xx 10^(-4) m^(2)`
D. `40 cm^(2)`

Answer

C

Explanation

Area = Length `xx` Length
`=2xx10^(-2)xx2xx10^(-2)`
`=4xx10^(-4)m^(2)`
Hence, the correct option is (c ).