College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.1: Counting
Problem 3E: The number of ways of choosing r objects from n objects is called the number of ___________ of n...
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Transcribed Image Text:Multiply by Multiples of 10 - Tutorial-Level C
What is 4 times 20?
Drag rods to the mat to show 4 groups of 20.
4 x 20
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