4.7e^6 is how I would write it. You simply count in from the right side where the decimal is until you reach the point just before the 4.
Just search up how much the weight is equal to another, then multiply it, thats what i do lol sorry if im no help
1. Decreases by 4. (B)
2. The atomic number changes. (B)
3. 56/26 Fe. (C)
4. Potassium-40;t1/2=25 days. (B)
5. Takes place in the upper atmosphere. (A)
Mezoic era began 252m years ago and ended 6.6m years ago.
It was a time of geological and biological transition. During this era the continents began to drift to their present configuration.
3 of the largest mass extinction occurred at this era. One which include the dinosaurs.
I hope this helped. :)
Both figures are mixtures,
Figure II is a heterogenous mixture
Figure I is a homogenous mixture
