Respuesta :

The square root of 30 is 5.47722558, therefor it's closest to 6.

21thomkr
first, you must find the square root of 30 which is 5.47725575... 
then you compare the numbers because it is a 5 the numbers 7 and 15 
finally, you must decide whether or not the square root of 30 is closer to 4 or 6
the answer is 4

~kymberly