How much of a sample remains after three half-lives have occurred?

2 answers:

5 0

12.5% of the sample. hope it helped :)

3 0

Based on a book about 3 half lives, the answer is 12.5% samples remain.

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german

Hello,

Let's calculate the radius:

r²=5²+7²=74

The circle's equation is (x+5)²+(y+7)²=74

Answer C

5 0

3 years ago

ikadub [295]

Answer:?????????

Step-by-step explanation:

4 0

2 years ago

love history [14]

Ok so 5x20 is 100 and 3x20 is 60 then add 3 is 63 apps that she downloaded then 100-63 is 37 apps that she still has space for.

6 0

3 years ago

Varvara68 [4.7K]

Answer:

108.60

Step-by-step explanation:

if you need the explanation you can comment

8 0

2 years ago

Ivenika [448]

Answer:

h=4/5

Step-by-step explanation:

$h + \frac{6}{5} = 2$

Collect like terms and simplify

$h = 2 - \frac{6}{5} \\ h = \frac{4}{5}$

6 0

3 years ago