Seudónimo Seudónimo
  • 02-06-2021
  • Mathematics
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PLEASE HELP
In about how many years is the radioactive substance half of its original weight? Type answer to one decimal place.

PLEASE HELP In about how many years is the radioactive substance half of its original weight Type answer to one decimal place class=

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ferrybukantoro
ferrybukantoro ferrybukantoro
  • 02-06-2021

Answer:

13.5

Step-by-step explanation:

(0.95)^x = ½

x = ^0.95 log ½

= 13.5

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