Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
1. Algebraic Expressions
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Exercise 56 Page 208

Substitute 10 for a in the expression.

82

Practice makes perfect
To evaluate the given expression for a=10, we should substitute 10 for a in the given expression and then simplify.
a^2-18
10^2-18
100-18
82