a radioactive substance is decay exceptionally at a continuous rate such that it loses 40% of the original amount in 4 years. What percent of the original amount is left in 2 years

2

step-by-2step explanation:

i pretty sure it is

answer

false

explanation

these practices describe the manner the land use outcome is attained. land management methods implemented by corporations are a mandatory because they are a driver for better land use results economically, socially and environmentally. corporations are required to understand the connection between land use , and land management practices to support sustainable land use policies