Give conversion of the some commonly used large units of length into metre

CBSE Class 11 CBSE Class 11 Physics
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1 Light year (ly) = 9.46 x ${{10}^{15}}$ m
1 Astronomical unit (AU) = 1.496 x ${{10}^{11}}$ m
1 Parallactic second (parsec) = 3.08 x ${{10}^{16}}$ m