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22-10-2019
Mathematics

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Jessica believes that 10³ − 1 is divisible by 9. Support or refute her claim using your work in this lesson.

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22-10-2019

Answer:

Yes, it is divisible by 9

Step-by-step explanation:

10^3 is equal to 10*10*10 = 1000

If 1 is substracted, the result is 999

999 / 9 = 111

So 10^3 - 1 is divisible by 9

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