solution:
use 2 to the k rule:
2⁵= 32
32 is less than 38,
so,
5 classes are not enough
try the next highest number:
2⁶ = 64
64 is greater than 38 ,
the recommended number of class is 6.
Answer:
square root of 2, pi, square root of 5, square root of 10, square root of 3, square root of 15
Step-by-step explanation: