dsmckenzie21 dsmckenzie21
  • 19-05-2022
  • Chemistry
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A radioactive isotope has a half-life of 3.0 hours. If a scientist has 30 grams of the isotope, how much is left after 15 hours?

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noobxvibes
noobxvibes noobxvibes
  • 19-05-2022

Answer:

0.9375

Explanation:

3.0x30x15 = 17 496 000 kg [tex]sx^{2}[/tex]

subtract or divde

then you take the 9 and 375 add 0.9000 and combine them and there you go.

                                                          [tex]+\frac{0.9000}{375} =0.9375[/tex]

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