Respuesta :
Answer:70×10^-9
0.18×10^5
10.3×10^-8
Are not written correctly in scientific notation
Step-by-step explanation:they are not written correctly because a number whose absolute value is greater than or equal to 1 and 10 multiplied by an integer per of 10. So for short there either lower than 1 or higher than 10 and need to be between to be scientific notation. I hope this helped you