a) $\sqrt{16};2\frac{1}{4};-0.0(51);-\sqrt{83};-\sqrt{196}$
b)$21\frac{1}{6}; \sqrt{49}; -\sqrt{144}; -111.0(3);-614.1$
a) $\sqrt{16};2\frac{1}{4};-0.0(51);-\sqrt{83};-\sqrt{196}$
b)$21\frac{1}{6}; \sqrt{49}; -\sqrt{144}; -111.0(3);-614.1$