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.

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 class=