convert the numbers from standard form into decimal form or ordinary numbers complete the calculation convert the answer back into standard form Calculate \((4 \times 10^9) \times (7 \times 10^{-3})\) ...
A customer checks out a display at a Lego store in Haikou, Hainan province, in 2022. [Provided to China Daily] The Lego Group is accelerating its expansion in China, with plans to open more than 80 ...
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