An Isotope cesium 137 has half life of 30 years if 1.0 g of cesium 137 disintegrates over a period of 90 years, how many g of cesium 137 would remain?

59/96 is the ratio hope this not 100% sure though : /

After the experience with great britain having a monarchy, the united states realized that everyone needed to have a voice in the government. the fact that americans had no voice was the main reason for the war. thus, they created a democracy, where the people voted for their representatives and the government ruled with the consent of the people.