Respuesta :
its C, 4.7 because if you try to find the square root of 22 on a calculator it comes out to 4.69041575982 and you round it up to the answer, 4.7.
C) 4.7, because the square root of 22 is: 4.69041575982 And as u round it up it appears up-to 4.7, even by looking at the 2nd digit after the decimal point.