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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.
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2 votes
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-example-1
asked
User Vojtech Trefny
by
8.2k points

1 Answer

3 votes

Answer:

13.5

Explanation:

(0.95)^x = ½

x = ^0.95 log ½

= 13.5

answered
User Siva Kandaraj
by
8.0k points
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