Answer:
(i) \[\text{1}{{0}^{\text{7}}}\text{m}\] ? is the order of radius of earth,
(ii) \[\text{1}{{0}^{4}}\text{m}\] ? is the order of height of mount everest,
(iii) \[\text{1}{{0}^{3}}\text{m}\] ? is the order of distance travelled by sound in air in 3 sec.
(iv) \[\text{1}{{0}^{2}}\text{m}\] ? is the order of length of a college playground,
(v) \[\text{1}{{0}^{-3}}\text{m}\] ? is the order of thickness of a cardboard,
(vi) \[\text{1}{{0}^{-6}}\text{m}\] ? mean free path of air molecules,
(vii) \[\text{1}{{0}^{-14}}\text{m}\] ? is the order of size of an atomic nucleus.
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