AnswersFL-1200700-Mathematics for College Algebra MISEstimating and Comparing Square RootsQuestion 1
1
QuizMultiple Choice
Estimating and Comparing Square Roots
Question 1 • FL-1200700-Mathematics for College Algebra MIS
Nolan used the following procedure to find an estimate for .Step 1: Since and and 16 < 18 < 25, is between 4 and 5.Step 2: Since 18 is closer to 16, square the tenths closer to 4.Step 3: Since 18.49 rounds to 18, 4.3 is the best approximation for .In which step, if any, did Nolan make an error?
Answer
A
In step 1, is between 4 and 5 because 20 and .
B
In step 2, he made a calculation error when squaring.C
In step 3, he should have determined which square is closest to 18.D
Nolan did not make an error.