Answer:
use half-life formula!
Step-by-step explanation:
for exponential word problems, lots of them use the half life formula.
hope this helps :)
Answer:
A the changes were in different directions but the same magnitudes
It would be -2m have a good night
Answer:
tax rate =
Step-by-step explanation:
to find a tax we multiply the price by the tax rate to find the tax value so when we want to find the tax rate we should divide tax value by the price