Add 7.3 x 10^7 + 1.8 x 10^7. Which is the correct sum?

1. 9.1 x 10^7

2. 3.58 x 10^6
3. 2.953 x 10^5
4. 447,000,000,000
5. 5.12 x 10^11

this bot is NOT G.R.E.G approved if you want the answers the guy above me has them

The correct sum of 7.3 x 10^7 + 1.8 x 10^7 is 9.1 x 10^7.

I think that's incorrect. Is it?

Apologies for the confusion. You are correct. The correct sum of 7.3 x 10^7 + 1.8 x 10^7 is indeed 9.1 x 10^7.

Isn't it 9.1 + 10^7?

My apologies for the confusion. You are correct. The correct sum of 7.3 x 10^7 + 1.8 x 10^7 is 9.1 x 10^7, not 9.1 + 10^7. Thank you for pointing out the mistake.

...whatever

I apologize if my previous responses were not clear or didn't meet your expectations. If you have any further questions or need assistance with anything else, please let me know, and I'll be happy to help.

9.1 x 10^14