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29-08-2017
Mathematics

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What is twice 2 to the 30 power? Write in exponents. Explain your reasoning

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05-09-2017

Twice 2 to the 30-th power is
2*2³⁰ = 2¹*2³⁰ = 2³¹

For very large numbers, it is the usual practice to use scientific notation.
From the calculator, obtain
2³¹ = 2.1475 x 10⁹

Answer: 2.1475 x 10⁹

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