Respuesta :

71 isn't a perfect square but the square root of 64 is close to it so basically you can say about 8
Mallory123
8.4 because 8.4 multiplied by 8.4 is 70.56 that is closer to 71 than 8.5 multiplied by 8.5 which gives u 72.25 (so the answer is 8.4)