NC.8.EE.3 - Scientific Notation

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What is scientific notation?

Back

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How do you convert a number to scientific notation?

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Move the decimal point in the number until only one non-zero digit remains to the left. Count the number of places moved; this becomes the exponent of 10.

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0.0000000053

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How do you express large numbers in scientific notation?

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Identify the significant digits, place the decimal after the first digit, and count the number of places to the right to determine the exponent.

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What is the scientific notation for 1,200,000,000?

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How do you compare numbers in scientific notation?

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Compare the exponents first; the number with the larger exponent is greater. If exponents are equal, compare the coefficients.

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What is the frequency of an x-ray in scientific notation?

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How do you find how many times greater one number is than another in scientific notation?

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Divide the coefficients and subtract the exponents.

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What is the scientific notation for 0.00000000009?

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0.000045 is larger.