Help pls I will give you the brainiest I need the answers for all of them

You can check answer here

https://cutt.ly/kzjInUL

the 1st one goes to 2 and the 2nd one goes to 3 the 3rd one goes to 1 the and so on

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

4th option is correct xy=-10

if this was to u plzz mark me the brainliest