C. since you are constantly dividing by 5
100 ÷ 5 = 20
20 ÷ 5 = 4
4 ÷ 5 = 0.8
And so on...
Answer:
I think the answer is 8.25 × 10^3
Answer:
1 hour 24 minutes
Step-by-step explanation:
49/35=1.4
Answer:
The sample loses
of its mass every
days.
Step-by-step explanation:
Expression that shows the relation between final mass of the element after 't' days is,
M(t) = 
If M(t) = two third of the initial mass [After the loss of one third of the initial mass remaining mass of the element = 1 -
=
rd of the initial mass]


![\frac{2}{3}=[(\frac{2}{3})^3]^t](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D%3D%5B%28%5Cfrac%7B2%7D%7B3%7D%29%5E3%5D%5Et)

By comparing powers on both the sides
3t = 1
t =
day
Therefore, The sample loses
of its mass every
days.