Units, prefixes and standard form
Convert prefixes, squared and cubed units. Write numbers in standard form.
Choose a chapter or answer file. Check the ISBN against your book.
Revision guide: ISBN 9781382008600
Chapter PDFs include the optional topics. The publisher’s multiple-choice link currently returns to its answer index, so it is not listed as a separate file here.
30 publisher-hosted answer files. Checked on 6 October 2026.
Open the publisher’s answer collection →
Check the publisher’s book details
Answers open on the publisher’s website. PhysicsHelp is an independent site.
Convert prefixes, squared and cubed units. Write numbers in standard form.
Work with absolute and percentage uncertainty, repeated readings and timing.
Choose an equation, rearrange it and convert the units before calculating.
Related practice uses original PhysicsHelp questions.