Which number line shows the estimate of 22 in the correct interval of integers? +
0 1
+ +
+
2 3 4 5 6 7
+
8
+ +
9 10
+ o
+ + +
1 2 3 4
+
5 6 7
+ +
9 10
oo
+ + +
+
0 1 2 3 4 5 6 7
+
9 10
8
+ + + + +