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6 July, 11:30

Scientists often have to deal with numbers that are either very large or very small. For example, the radius of the Sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 * 10-4 millimeters. Express each number in an alternate form. In scientific notation, the radius of the Sun is * 10 kilometers. In expanded notation, each bacterial cell is millimeters wide.

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  1. 6 July, 11:40
    0
    696,000 km = 6.96 * 10⁵ km

    1.9 * 10⁻⁴ mm = 0.00019 mm

    Explanation:

    Numbers that are either very large or very small can be written in an alternate form by expressing them in the method of scientific notation. Here a given number between 1 and 10 is multiplied by the power of 10. Specifically, the number is expressed in two parts: Digits/Decimals + 10^power

    Here:

    Radius of the sun = 696,000 km

    In scientific notation, radius = 6.96 * 10⁵ km

    The measurements can also be converted from scientific notation to the regular form of decimals or whole numbers.

    Here:

    Radius of bacterial cell in scientific notation = 1.9 * 10⁻⁴ mm

    Alternate form = 0.00019 mm
  2. 6 July, 15:20
    0
    6.96 * 10^5 km for sun radius

    0.00019 mm for bacterial cells
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