8th U7 L10 - Representing Large Numbers on Number Line

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What is scientific notation?

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A way of expressing numbers as a product of a number between 1 and 10 and a power of 10.

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How do you convert a large number into scientific notation?

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Identify the first non-zero digit, count how many places the decimal moves to the right to get to that digit, and express it as a power of 10.

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5,400,000

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What is the purpose of using a number line for large numbers?

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To visually represent and compare large values in a manageable way.

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How do you compare two numbers in scientific notation?

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Compare the exponents first; if they are the same, compare the coefficients.

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What is the significance of the base 10 exponent in scientific notation?

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It indicates the scale of the number, showing how many times to multiply by 10.

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