Answer
5.2×〖10〗^(-2)
Explanation
A number is said to written in scientific notation when it is in the form A×〖10〗^n, where 1≤A<10 and n is an integer.
In this case,
52 thousanths = 0.052
0.052=5.2×〖10〗^(-2)
52 thousandths to scientific notation = 5.2×〖10〗^(-2)