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Year 9 maths · B.1 · Scientific notation

Convert scientific notation to standard form: large numbers

Move the decimal point to the right for a positive power of 10 and to the left for a negative power.

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  1. Write 4.6 × 10³ in standard form.

    Answer: 4600

  2. Write 4 × 10⁶ in standard form.

    Answer: 4000000

  3. Write 1.2 × 10⁵ in standard form.

    Answer: 120000

Tip: Move the decimal point to the right for a positive power of 10 and to the left for a negative power.

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