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2 years ago

14

An element with a mass of 890 grams decays by 19.7% per minute. To the nearest tenth of a minute, how long will it be until ther

e are 220 grams of the element remaining?

2 answers:

Schach [20]2 years ago

6 0

Answer:

3 minutes

Step-by-step explanation:

vlabodo [156]2 years ago

5 0

Answer:

6.4

Step-by-step explanation:

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