Understanding Numbers and Their Roots

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Expanded form of 5,432,198 using powers of ten

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ONTARIO.MATH.7.B1.1

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Which of the following numbers is a perfect square? 50, 64, 75, 90

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64

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ONTARIO.MATH.7.B1.2

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What is the square root of 144?

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12

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ONTARIO.MATH.7.B1.2

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ONTARIO.MATH.7.B1.3

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Express 0.007 in fraction form.

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ONTARIO.MATH.7.B1.3

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Expanded form of 987,654 using powers of ten?

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ONTARIO.MATH.7.B1.1

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Which of the following is a perfect square? 81, 82, 83, 84

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81

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ONTARIO.MATH.7.B1.2

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What is the square root of 225?

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15

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ONTARIO.MATH.7.B1.2

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ONTARIO.MATH.7.B1.3

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0.625

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ONTARIO.MATH.7.B1.3