A radioactive substance has a half life of 8 years and 200 g are present initially. How many years will it be until only 10% of the original amount remains? Please round to the nearest
tenth.

Can you guys plz answer this question in order and quickly plz i will give 30 points

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?