Physics, asked by lephongkonyak92, 1 month ago

A 280 days old radioactive substance shows an activity of 6000 dps,140 day later its activity becomes 30000dps .What was its initial activity

Answers

Answered by sagadevanraja151

1

Answer:

I hope it helps you

Explanation:

please make me as brainalist

Attachments:

Answered by manubadisandhyarani6

0

Answer:

280-140=150-3000=2850-6000=850 answers

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