1) 7.35× 10^-7 + 0.023 × 10^-5 2) 56.732 ×10^11 - 0.673 × 10^13 3) 56.732 × 10^-11 - 0.074× 10^ -13

1) 7.35× 10^-7 + 0.023 × 10^-5 2) 56.732 ×10^11 - 0.673 × 10^13

1.	1) 7.35× 10^-7 + 0.023 × 10^-5 2) 56.732 ×10^11 - 0.673 × 10^13 3) 56.732 × 10^-11 - 0.074× 10^ -13
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