cingkook4 cingkook4

23-11-2020
Mathematics

contestada

If 8 g of a radioactive substance are present initially and 2 yr later only 4 g remain, how much of the substance will be present after 5 yrs?

Respuesta :

jaedyme9297 jaedyme9297

23-11-2020

Answer:

none

Step-by-step explanation:

8-4=4

if every 2 years, 4 gallons disappear

then every 1 year, 2 gallons disappear

meaning that by 5 years there will be no substance left.

(5*2=10)

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