Which description fits an irrational number?, It cannot be written as a fraction of two integers., It is always a terminating decimal., It is always a whole number., Which number is irrational?, 1/4, π, 1/3, What are rational and irrational numbers together called?, Whole numbers, Integers, Real numbers, What is the opposite of √3?, −√3, √3, 3, What is the opposite of −3.8?, 0, 3.8, −3.8, What is the absolute value of −3.8?, −3.8, 0, 3.8, What is the absolute value of (−3)/11?, 3/11, 11/3, (−3)/11, What is the absolute value of −√11?, −√11, √11, 11, What is the sum of a real number and its opposite?, 1, The original number, 0, A submarine is 500 m below the surface and a helicopter is 2 500 m above it. Which is farther from the surface?, The submarine, The helicopter, They are equally far.

Unit 3

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