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An element with a mass of 420 grams decays by 7.5% per minute. To the nearest minute, how long will it be until there are 210 grams of the element remaining?

An element with a mass of 420 grams decays by 7.5% per minute. To the nearest minute, how long will it be until there are 210 grams of the element remaining?
asked 119k views
1 vote
An element with a mass of 420 grams decays by 7.5% per minute. To the

nearest minute, how long will it be until there are 210 grams of the element
remaining?

asked
User Jorjon
by
8.8k points

2 Answers

3 votes

Answer:

The correct answer would be 9

Explanation:

An element with a mass of 420 grams decays by 7.5% per minute. To the nearest minute-example-1
answered
User Nicolas Buduroi
by
8.2k points
2 votes

Answer: x= 9

Explanation:

I just checked that its right!

answered
User Dois
by
8.0k points
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