Dividing Two Numbers in Standard Form

Dividing Two Numbers in Standard Form

Lesson details

Key learning points

  1. In this lesson, we will learn how to divide any two numbers in standard form. We will model increasingly difficult questions and finish with a worded question.

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4 Questions

Q1.
Work out (2 × 10³) × (4 × 10²). Give your answer in standard form.
6 × 10⁶
Correct answer: 8 × 10⁵
8 × 10⁶
Q2.
Calculate (6.4 × 10³) × (2.2 × 10⁴). Give your answer in standard form.
1.28 × 10⁸
1.32 × 10⁸
Correct answer: 1.408 × 10⁸
1.5 × 10⁸
Q3.
Work out (3 × 10⁻⁴) × (4 × 10⁻²), give your answer in correct standard form.
1.2 × 10⁻¹
Correct answer: 1.2 × 10⁻⁵
12 × 10⁻²
12 × 10⁻⁶
Q4.
Calculate (4.1 × 10⁻²) × (3.2 × 10⁻³), giving your answer in correct standard form.
Correct answer: 1.312 × 10⁻⁴
12.2 × 10⁻⁴
12.2 × 10⁻⁵
13.12 × 10⁻⁵

4 Questions

Q1.
Work out (8.4 × 10⁶) ÷ (4 × 10²). Give your answer in standard form.
2.1 × 10³
Correct answer: 2.1 × 10⁴
4.4 × 10³
4.4 × 10⁴
Q2.
Calculate (2 × 10⁷) ÷ (5 × 10⁴). Give your answer in correct standard form.
0.4 × 10³
2.5 × 10³
2.5 × 10⁴
Correct answer: 4 × 10²
Q3.
Work out (8.42 × 10⁶) ÷ (2 × 10⁻²), give your answer in correct standard form.
4.21 × 10⁻³
4.21 × 10⁻⁴
4.21 × 10⁴
Correct answer: 4.21 × 10⁸
Q4.
Calculate (2.4 × 10⁻²) ÷ (8 × 10⁻⁶), giving your answer in correct standard form.
3 × 10⁻⁴
3 × 10⁻⁸
Correct answer: 3 × 10³
3 × 10⁴

Lesson appears in

UnitMaths / Standard Form 4 Operations