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Glencoe Math: Course 3, Volume 1

GM

Glencoe Math: Course 3, Volume 1 View details

8. Roots

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Exercise 46 Page 78

To calculate the second power of a term, multiply this term by itself two times.

625

Practice makes perfect

The expression 25^2, or 25 to the second power, can be written as the product of two 25 terms.

25^2

PowToProdTwoFac

a^2=a* a

25 * 25

Multiply

625

Using a calculator, we can either enter 25^2 or 25 * 25. Both expressions give us the same answer.

Subchapter links

Guided Practice p.74

Independent Practice p.75-76

H.O.T. Problems p.76

Standardized Test Practice p.76-78

Extra Practice p.77

Common Core Review p.78