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\left. \begin{array} { l } { 1.5 \times 10 ^ { 12 } \text { and } 3.7 \times 10 ^ { 11 } } \\ { 6 \times 10 ^ { 14 } \text { and } 3 \times 10 ^ { 24 } } \\ { 2 ^ { 3 } \times 10 \text { and } 2 ^ { 4 } \times 5 } \end{array} \right.

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