how to split a number?

I have a number a=2.3*10^5, I want to separate 2.3 and 10^5 as two different data value. How do I do it? please help

Answer 1

[Stephen23]

>> x = 2.3*10^5;
>> y = 10^floor(log10(x))
y =
      100000
>> z = x/y
z =
          2.3

[Walter Roberson]

Watch out for negative numbers and watch out for 0.