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The usual form for 2.3 × 10^-10 is ____________.

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The standard form for 32,50,00,00,000 is __________.

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The standard form for 0.000000008 is __________.

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On dividing 85 by _________ we get 8.

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On multiplying _________ by 2^–5 we get 2⁵.