◈ Oracle PrepSign Up Free
O-LevelMathematicsNumber4024/22 · Oct/Nov 2025 · Q123 Marks

Write 372000000 in standard form.

  1. (a)Write 372000000 in standard form.[1]
  2. (b)Work out. 2.21 × 10^5 / 6.5 x 10^6. Give your answer in standard form.[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2025). The mark or mark type is shown in brackets.

  1. [1] 3.72 × 10⁸ cao
  2. [2] 3.4 × 10⁻² cao. B1 for 0.034 oe or B1FT for their decimal < 1 correctly converted to standard form

Write your answer and get it marked

On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.

Sign up free →

About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2025 Paper 2 Variant 2, question 12.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Mathematics questions

NumberMay/June 20142m

It is given that 3⁄4 < n < 7⁄8.

NumberMay/June 20142m

Here is part of a bus timetable. Bus station 0956 1026 1056 1126 1156 City Hall 1003 1033 …

NumberMay/June 20142m

Express 0.0000852 in standard form.

Algebra and graphsMay/June 20141m

Solve the equation 3x² + 7x - 6 = 0 by factorisation.

StatisticsMay/June 20142m

Tasnim records the temperature, in °C, at 6 a.m. every day for 10 days. -6 -3 0 -2 1 -7 -5 2 -1 -3

Algebra and graphsMay/June 20142m

The cost of a mirror is directly proportional to the square of its width. A mirror of width 40 cm costs $24. Work out…

← Browse all past-paper questions

© 2026 Oracle Prep