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📐 Mathematics 15 minLesson 20 of 50
Indices & standard form
Powers, roots and very large or very small numbers.
What you will learn
- When multiplying powers of the same base, add the indices.
- A negative index means reciprocal: x⁻¹ is 1/x.
- Standard form is a number between 1 and 10 multiplied by a power of 10.
What is Standard Form (also known as Scientific Notation)? (Part 1/4) (2026/27 exams)
Cognito · plays in StudyAI
Watch once, then work through the practice sheet.
Practice sheets
3 printable PDFs1
Recall drill
5 questions · write-in answer lines
2
Apply it
4 questions · write-in answer lines
3
Test yourself
4 questions · write-in answer lines
Interactive quiz
Question 1 of 2Simplify 2³ × 2⁴.
