Max said that the square root of 6.4 is 3.2. Lynda claimed that the square root of 6.4 is 0.8. Jamila estimated that the square root of 6.4 should be about 2.4.

Question

a) Who is correct? How do you know?

Answer 1

Max is correct. The square root of 6.4 is actually approximately 2.529822. This can be verified by calculating the square root of 6.4 using a calculator or by using long division. Since Max's answer is the closest to the actual square root value, he is correct.