URGENT!!! anyone know this? 10 POINTS!!

Answer:
b 5.2 *10-4
Step-by-step explanation:
.00052
We are moving the decimal 4 places to the right to make it in scientific notation. This puts it in the form a* 10^b a must be between 1 and less than 10 and b is the number of places we moved it. It we move it to the left it is positive and to the right it is negative.
5.2 *10-4