#### Answer

a.)False
b.)True

#### Work Step by Step

a.) $\sqrt 3$ $\gt$ 1.7325
The approximate estimation of the $\sqrt 3$ is roughly 1.73205. Even when rounded it still equals 1.7321.
False
b.)1.732 $\geq$ $\sqrt {3}$
If we round up the $sqrt 3$ to three decimal places, we get 1.732 which does happen to equal 1.732.