{(1/sqrt(2))^n} from n=1 to infinity; is the series convergent or divergent? if convergent, why? and sum?

What is (28 + 7 + 6 + 3) x 1/2 show your work

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.

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !