40.8k views
5 votes
An element with mass 630 grams decays by 18.8% per minute. How much of the

element is remaining after 7 minutes, to the nearest 10th of a gram?

User Aggaton
by
6.4k points

1 Answer

9 votes

Answer:

-199.1

Explanation:

18.8% × 7= 131.6%

630×131.6=82908 move the decimal two places to the left you get 829.08

630-829.08= -199.08 round to the nearest tenth you get -199.1

User Leonardo Sibela
by
6.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.