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Big Ideas Math: Modeling Real Life, Grade 8
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Big Ideas Math: Modeling Real Life, Grade 8 View details
1. Exponents
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Exercise 18 Page 323

When raising a number to an exponent we multiply it by itself that many times as indicated by the exponent.

25

Practice makes perfect
The expression 5^2, or 5 to the second power, can be written as the product of two 5 terms.
5^2
Rewrite

Rewrite 5^2 as 5* 5

5* 5
Multiply

Multiply

25
Using a calculator, we can either enter 5^2 or 5* 5. Both expressions give us the same answer.
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Try It 2 (Page 320)
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Try It 9 (Page 321)
arrow_right Self-Assessment for Concepts & Skills p.321
Self-Assessment for Concepts & Skills 10 (Page 321)
Self-Assessment for Concepts & Skills 11 (Page 321)
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arrow_right Self-Assessment for Problem Solving p.322
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arrow_right Review & Refresh p.323
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