Create a free account now and get 3 full lessons, completely free. Get my 3 free lessons

Ireland: choose your country
Second Year maths · B.12 · Scientific notation

Order numbers in scientific notation with negative exponents

Compare the powers of 10 first. If they are equal, compare the numbers in front. Write the numbers as 4.7 × 10^3.

Loading a question…

See worked examples
  1. Write these numbers from least to greatest: 8.8 × 10⁸, 2 × 10⁻³, 7.1 × 10⁴

    Answer: 2 × 10^-3, 7.1 × 10^4, 8.8 × 10^8

  2. Write these numbers from least to greatest: 5.8 × 10³, 4 × 10⁶, 7 × 10⁶

    Answer: 5.8 × 10^3, 4 × 10^6, 7 × 10^6

  3. Write these numbers from least to greatest: 2.6 × 10⁷, 4.5 × 10⁶, 6.5 × 10⁻⁵

    Answer: 6.5 × 10^-5, 4.5 × 10^6, 2.6 × 10^7

Tip: Compare the powers of 10 first. If they are equal, compare the numbers in front. Write the numbers as 4.7 × 10^3.

Print a worksheet of this skill New questions and an answer key, free.

Up next

Print a free worksheet with answers (20 questions).

Practise without limits

Members practise as much as they like, every day, and get the printable packs and lessons too.