2. Javier estimates the square root of 18 in the following way: 18 = 2V9 = 2 * 3 = 6
(a) Explain why her
reasoning is incorrect.
(b) Without using a calculator, the square root of 18 will be between what two values (remember to look
for perfect squares/perfect square roots)? Show your reasoning. You do not need to find the
decimal equivalent of the root.