The weight of a rock sample is measured to be 2.5 pounds. What is the percent of error in the measurement? 5%
10%
2%

The answer would be 484

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,

Idon’t feel like doing the math but you need to do 2.24 divided by 7