PLS HELP ASAP I BEG HEH... The table shows the amount of radioactive element remaining in a sample over a period of time.
(photo of the table attached)

Part 1: What is the half-life of the element? Explain how you determined this.

Part 2: How long would it take 308 g of the sample to decay to 4.8125 grams? Show your work and explain your answer.

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Is laundry detergent an acid or a base?