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Big Ideas Math: Modeling Real Life, Grade 7
BI
Big Ideas Math: Modeling Real Life, Grade 7 View details
1. Multiplying Integers
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Exercise 31 Page 53

Note that in this case, there are no parentheses surrounding the negative.

- 36

Practice makes perfect

The expression - 6^2, or - 6 to the second power, can be written as minus the product of two 6 terms. Note that in this case, there are no parentheses surrounding the negative. - a^n ⇔ -1(a^n)This means that we should evaluate as though parentheses surround the exponent and multiply the result by -1.

- 6^2
Rewrite

Rewrite 6^2 as 6* 6

- 6* 6
MultNegPos

(- a)b = - ab

- (6* 6)
Multiply

Multiply

- 36

We can also multiply this using a calculator!

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arrow_right Self-Assessment for Problem Solving p.52
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