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Grade 8 maths · B.10 · Scientific notation

How many times larger? Compare numbers in scientific notation

Divide the front numbers, then divide the powers of 10 by subtracting the exponents.

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  1. How many times larger is 6 × 10⁸ than 3 × 10⁵?

    Answer: 2000

  2. How many times larger is 8 × 10⁷ than 4 × 10⁵?

    Answer: 200

  3. How many times larger is 9 × 10⁴ than 3 × 10²?

    Answer: 300

Tip: Divide the front numbers, then divide the powers of 10 by subtracting the exponents.

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