0.9752 in scientific notation

You need to have just one digit in front of the decimal point.

9.752

0.9752 is less than 1 so the exponent will be negative

you moved the decimal point 1 place so the exponent is -1

SO

$$0.9752 = 9.752\times 10^{-1}$$

If you want to really learn this then it would be a good idea to look here.  

http://www.mathsisfun.com/numbers/scientific-notation.html

9.752*10^-1

a scientific notation is a notation that is scientific