← 1.3 Indices and Logarithms

Multiply powers: add the indices

Mathematics · Grade 9 · about 40 minutes

When the bases are the same, multiply powers by adding the indices. Generate the law by expanding factors.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 10 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account