(1)
The square root of 8 is somewhere between 2 and 3, because

So,
is between -1 and 0, whereas
is between 2 and 3.
So, we have

(2)
The square root of 25 is 5, because 
So, the left hand side is exactly

You seem to have already computed the right hand side to be 2.30, so we have

Day 1: 64,000
Day 2: 32,000
Day 3: 16,000
Day 4: 8,000
Day 5: 4,000
As each day goes by, half of the population is gone.
Answer:
33g
Step-by-step explanation:
10% of 30g is 3g so add 30g to 3g and you get 33g.
Answer:
Step-by-step explanation:
