OpenStax, Prealgebra 2e §7.2 Commutative and Associative Properties · Exercise 30 · Algebra · Expressions

Commutative and Associative Properties · Exercise 30

Evaluate each expression for the given value.

If $k = 21,$ evaluate:
ⓐ $\frac{4}{13} (\frac{13}{4} k)$
ⓑ $(\frac{4}{13} \cdot \frac{13}{4}) k$

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OpenStax, Prealgebra 2e · §7.2 Commutative and Associative Properties · Exercise 30

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