The half-life of carbon-14 is about 5700 years. Part A You find a piece of cloth painted with organic dye. By analyzing the dye, you find that only 81 % of the carbon-14 originally in the dye remains. When was the cloth painted? Express your answer in years to two significant figures. Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value.