If "1"= one Million, "2"= one Billion, "3"= one Trillion, etc.  What is 1+1? I apologize if this seems odd, I frequently use math to keep my brain active when I feel I am not getting mentally stimulated enough.  I came up with this one, but cannot decide on a good answer.  I am looking for a second opinion, as I have literally lost sleep over this one, thank you!

Would you be able to help answer the last 3? Those are the ones I am struggling with!

Can we go more in depth how we got those numbers to add up?

What does  irrational mean?

How would you do a check to this problem, using the original wording?

"Why wouldn't the ghost cross the road?" Simplify the following expressions and write your answer in scientifice notation. The answer to each problem will match a letter that wil allow you to figure out the joke. I: 1.2 x 10 1. 2,300 x 400 N: 3 x 10 2. 0.004 x 0.0003 E: 9.2 x 10 A: 5 x 10+ 2000 3. 0.004 H: 5.4 x 10+ R: 9.2 x 10 4. 50 x 0.00008 L: 4 x 10 60 5. 12,000,000 D: 2.24 x 10 O: 1.2 x 10 75,000 6. 0.25 T: 5 x 10 7. 32,000 x 7,000 U: 4 x 10 B: 3 x 10 300,000 8. 0.06 G: 6 x 10+ C: 2.24 x 10 0.0024 9. 400 S: 5x 10 10. 0.0009 x 0.006 10 1 10 5 7 3. Multiplying end dividing with answers in scientific notation Joke #51 00

Part three was incorect. I was told you cannot do the computatiopns without substituting in the T and F Values first. Can you do show me how to do it that way?

QUESTION 2 Jim wants to buy a computer. The total cost is $1,180. If he can save $60 a month, how long will it take for him to save up for the computer? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px !!

How do I set this up in a calculator to get 0.57e Thanks

the answer choices for the last question are  0 1/2 1 1/4    theres no 3/5