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Big Ideas Math: Modeling Real Life, Grade 7
BI
Big Ideas Math: Modeling Real Life, Grade 7 View details
3. Converting Between Fractions and Decimals
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Exercise 17 Page 65

Divide the numerator by the denominator.

- 0.7

Practice makes perfect

We want to write the given fraction as a decimal number. - 7/9Let's ignore the negative sign for just a moment. Recall that 7 9 means 7÷ 9. Therefore, we will divide the numerator by the denominator. Let's do it!

$ 7 \div 9$

We can see that the pattern starts to repeat itself after a few steps. This means that the decimal is a repeating decimal. We can write it using bar notation. Remember, the bar goes over the decimal part that repeats itself. 0.777777... = 0.7 Therefore, - 79 written as a decimal is - 0.7.

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