9.5 x 1015 = 9642.5
<span>6.08 × 1018 = 6189.44
If you take these two problems, and then subtract, and find out the difference between the two distances, then you should be able to get your answer.
Hope this helps!</span>
A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
Are caused by seismic waves
I think is this one.
4.6 billion years ago the earth formed
The results will most likely be valid because the scientists kept getting the same results after REPEATED experiments. If they just conducted one experiment then they would not have been sure if what happened was a fluke or if another thing would happen after another experiment.<span />