Physics, asked by Sayli8487, 10 days ago

a radioactive source has a half life of 80s
How will it long for 7/8source of decay

Answers

Answered by raghavappu5

0

Answer:

140s

Explanation:

4/8 life= 80s

⅛ life= 80 ÷ 4

= 20s

⅞ life= 20 × 7

= 140s

pls mark as brainliest answer

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