cingkook4 cingkook4

23-11-2020
Mathematics

contestada

URGENT PLS HELP!!
If 14 g of radioactive substance are present initially and 8 yr later only 7 g remain , how much of the substance will be present after 19 yr?

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26edemoss 26edemoss

23-11-2020

Answer:

2.32g after 8 years

Step-by-step explanation:

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jaedyme9297 jaedyme9297

23-11-2020

Answer:

none again

Step-by-step explanation:

7/8=0.875

19*0.875=16.625

14-16.625=-2.625

none

Answer Link

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