Answer:
true
Step-by-step explanation:
Answer:
2%
Step-by-step explanation:
20% takes 10 years to decay
To find per year decay, we divide the percentage by the number of years, so we get unit rate of years {per year]. Thus we have:
20%/10 = 2% per year
It's that simple.
Hence, the percentage by which the substance decays each year is 2%
164in^2 is your answer! Put it into a fraction form if you want.
What Do you need help with if you added a picture we cant see it
