I need help with this question please

Answer: 6 goes on 6/// 83 goes on 9///// 40goes on 6///// 64 goes on8///and the 7.5 will go between 7 and 8
Step-by-step explanation:
go onto a calculator and type in the number and decide it by the square root
Answer:
6 is already pointed
9<V83 <10 cause 9=V81 , 10 =V100
6<V40<7 cause 6=V36,7= V49
V64=8
7<7.5<8
Step-by-step explanation: