Please check it this is correct! Maya has a piece of paper and decides to make origami. The dimensions of the paper are 25x2 cm. She needs to take away some of the paper to make her origami . She decides to keep ⅖ of her paper and cuts off the rest. She realized that she needed 5 more cm of paper so she cut off some more paper and taped it together. What was the final area of Maya’s paper?
The answer is 25 cm right?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered