mk01233 mk01233

11-03-2018
Mathematics

contestada

The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 190 grams of a radioactive isotope, how much will be left after 4 half-lives?

Respuesta :

sqdancefan sqdancefan

15-03-2018

190*(1/2)^4 = 190/16 = 11.875 . . . grams

Answer Link

Otras preguntas

similarities between pencks and davisian cycle of erosion

Find the missing angle and round to the nearest tenth! Thank you :)

PLS HELPP~!! + 15 BRAINLY POINTS The nation of ___ experienced a revolution just after the United States ratified the Constitution. Holland Germany England Fran

What integer represents a $11 withdrawal?

is abortion murder? where do you stand on this issue? I'm not sure where I stand anymore...

65% humans body volume is made of water. How meny kilograms water is in humans body whos weight is 100kg?

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HE

mention four ways of public participation which protests may stage a peaceful protest

two primes that add to 24

Help with Spanish ... Image attatched