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3.2 Exercise 21

Avg difficulty 2.5

Use your calculator to calculate (−13) + 90. Explain how the answer agrees with what was expected.

OpenStax Contemporary Mathematics, 3.2 The Integers, exercise 21

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Adapted from Contemporary Mathematics © 2023 Rice University. Licensed under CC BY 4.0. Source: Contemporary Mathematics. Imported at revision fa7c1a1.