Okay the first time nobody came, but please come now. I want steps. This must be written in scientific notation. Thanks! Do 17 and 18 or 19 and 20. Your choice! Just 2 of them. One division and multiplication.

Answer:
Your welcome! :)
Step-by-step explanation:
17: 35000
18: 0.0029
19: 0.000003
20: 1.5