What are the steps to solving this problem 0.000027÷0.000009 explain in scienctific notation

For this case we have the following expression:
 (0.000027) / (0.000009) 
 We rewrite the expression making use of the scientific notation:
 (27 * 10 ^ -6) / (9 * 10 ^ -6)
 Then, rewriting we have:
 (27/9) * ((10 ^ -6) / (10 ^ -6))
 Canceling similar terms:
 (27/9)
 Making the division:
 (27/9) = 3
 
 The result of dividing (0.000027) / (0.000009) is:
 3

What exactly is your question?