Ask question

Ask question

All categories

2 years ago

15

After three half-lives, a sample contains 10 grams of parent isotopes. How many grams of the parent isotope were present to star

t?

2 answers:

ollegr [7]2 years ago

7 0

The answer is actually (80). 80/2 is 40, 40/2 is 20, and 20/2 is 10, thus the answer is 80.

GarryVolchara [31]2 years ago

4 0

I think that the answer is 40...................................

You might be interested in

Horses and donkeys can interbreed, but their offspring (mules) are infertile. This is an example of what kind of reproductive is

zaharov [31]

Answer:

post zygotic genetic incompatibility

8 0

2 years ago

A biologist collected 1 gallon of pond water and found 50 paramecium. If the lake

iren [92.7K]

Answer:

50000

Explanation:

number of paramecium in 1 gallon of water = 50

number of paramecium in 1000 gallons of water =

1000× 50 = 50000

8 0

2 years ago

What adaptation helps the pine tree reduce water loss?

otez555 [7]

Answer:hojas

Explanation:

4 0

2 years ago

During glycolysis, a six-carbon glucose reacts with oxygen to produce two three-carbon pyruvate molecules. Which molecules provi

IceJOKER [234]

Its C, I've tested. :D

6 0

2 years ago

What organic compounds are in a cracker

Vsevolod [243]

Is any member of a large class of gaseous, liquid, or solid chemical compounds<span>whose molecules contain carbon</span>

4 0

2 years ago