12.What is the square root of 67 to the nearest tenth?
A.8.4 B.8.3 C.8.2 D.8.1

13Which of the real numbers below has a rationak principal root?
A.³√36 B.√16 C.⁴√20 D.√72

14.Find the value of √10 in hundredths.
A.3.16 & 3.17 B.3.91 & 3.20 C.3.20 & 3.2 D. 3.31 & 3.32

15.Find two rational numbers }⁰p⁰sazwith two decimal places between which the square root of 7 lies?
A.2.64 and 2.65 B.2.65 and 2.66 C.2.66 and 2.67 D.2.67 and 2.68​