Which of the following statements are true? select all that apply.

According to modern​ science, earth is about 4.5 billion years old and written human history extends back about​ 10,000 years. suppose the entire history of earth is represented with a 10​-meter-long ​timeline, with the birth of earth on one end and today at the other end.

Could somebody me with this radical simplification?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.