The radius of nucleus of 27 13 Al will be :- 1] 1.2 x 10 ^ -15 m 2] 2.7 x 10 ^ - 15 m 3} 10. 8 x 10 ^-15 m 4] 4 x 10 ^-15 m please answer quicly i need it urgently

The radius of nucleus of 27 13 Al will be :- 1] 1.2 x 10 ^ -15 m 2]

1.	The radius of nucleus of 27 13 Al will be :- 1] 1.2 x 10 ^ -15 m 2] 2.7 x 10 ^ - 15 m 3} 10. 8 x 10 ^-15 m 4] 4 x 10 ^-15 m please answer quicly i need it urgently
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