Lemmara logoLemmaraWorked solution

4MA1/2FR Jun 2019, Question 24: Standard Form

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Convert 840 000 to standard form, then divide 6 × 10⁷ by 8 × 10⁻² and give the result in standard form.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Write 840 000 in standard form.

  1. 1840 000 = 8.4 × 100 000
  2. 2= 8.4 × 10⁵

Answer8.4 × 10⁵

Part (b) · 2 marks

Work out (6 × 10⁷) ÷ (8 × 10⁻²), giving the answer in standard form.

  1. 16 ÷ 8 = 0.75
  2. 210⁷ ÷ 10⁻² = 10⁹
  3. 30.75 × 10⁹ = 7.5 × 10⁸

Answer7.5 × 10⁸

Stuck on a step? Read the free lesson: Standard Form

Practise more standard form questions

Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on standard form

Also searched as: 4MA1 2FR June 2019 · 4MA1/2FR · 4ma1 jun19 2fr · question 24.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.