Question

PLEASEPLEASEPLEASEPLEASEPLEASE HEEELLLPPPP!!!!!!!!!!

Answer 1

Approximately how much mass remains after 8.0 hours?

Answer 2

Its basically Algebra 2

Answer 3

the mass is dividing by 2 when the time increases by 3

Answer 4

OKay

Answer 5

so you got it?

Answer 6

No lol

Answer 7

OHHHHH

Answer 8

wait, I'll try it and ask you if its right

Answer 9

0.315? @helpme1.2

Answer 10

yup

Answer 11

that's correct

Answer 12

okay, can you help me with this?

What is the half-life for this isotope?

Answer 13

Wait, are you sure? Im confused

Answer 14

0.315 would be 21 hrs?

Answer 15

yeah.. but i am not familiar with half-life isotope

Answer 16

Im so confused.

Answer 17

So how do you solve for the 8 hours?

Answer 18

why do you need to solve for 8 hours?

Answer 19

Thats a question..

Answer 20

How much mass will there be at 8 hours. Idk how to figure that otu

Answer 21

i don't really know too.
let me call others for help

Answer 22

@Isaiah.Feynman

Answer 23

ok

Answer 24

@Hero

Answer 25

@hartnn