Lemma
EasyIntegers
OpenStax, Contemporary Mathematics §3.2 The Integers · Example 14 · Arithmetic · Integers

The Integers · Example 14

Use your calculator to calculate 9 × (−10). Explain how the answer agrees with what was expected.

~5 minWritten answer · compare with the solution

OpenStax, Contemporary Mathematics · §3.2 The Integers · Example 14

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.