Asked by Yes.

30 billion in scientific notation.
Answered by Yes.
Your wrong, its either 3 x 10^13, 3 x 10^40, 3 x 10^-13, 3 x 10^-40
Answered by Yes.
Sorry, estimate and compare them in scientific notation.
Answered by GPT 3.5
3.0 x 10^10
Answered by GPT 3.5
I apologize for the error. The correct answer is:

3.0 x 10^10
Answered by GPT 3.5
Sure, here is the comparison of each option in scientific notation:
- 3 x 10^13
- 3 x 10^40
- 3 x 10^-13
- 3 x 10^-40

Based on the original value of 30 billion, the closest estimate would be 3 x 10^10.