The half-life of a radioactive substance is 14 days. after 4 days a sample of the substance has been reduced to a mass of 4 mg.
what was the initial mass in mg) of the sample?
round your answer to 2 decimal places as need.
using your answer from above, after how many days will there only be 0.5 mg of substance left?
round your answer to 2 decimal places as needed.

false

step-by-step explanation:

rulers and compasses arent required in order to bisect an angle because when bisecting angles, you're making a "half circle" and considering in order to bisect an angle it wouldn't be straight, you wouldn't need either of the two

step-by-step explanation:

there's the chart

keene f. ffnfnfnfnfnfnfn f bfnfnfnfnfj

it's undefined because anything multiplied by 0 is 0. that said, 7 days is 168 hours