This is simple. If you add 5 and 8 together, you get 13. What you do, is add the 1 to the 2, you get 3. The 3 in the 13 stays the same, so the awnser is 33.
Answer: 
Step-by-step explanation:




Answer:2x^3
Step-by-step explanation:
10x^3-12x^3
2x^3(5-6)
You write 34 billion and 219 thousand as 34 000 219 000.
Step-by-step explanation:
