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  2. Scientific notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_notation

    Converting a number from scientific notation to decimal notation, first remove the × 10 n on the end, then shift the decimal separator n digits to the right (positive n) or left (negative n). The number 1.2304 × 10 6 would have its decimal separator shifted 6 digits to the right and become 1,230,400 , while −4.0321 × 10 −3 would have its ...

  3. Percentage - Wikipedia

    en.wikipedia.org/wiki/Percentage

    To calculate a percentage of a percentage, convert both percentages to fractions of 100, or to decimals, and multiply them. For example, 50% of 40% is: ⁠ 50 / 100 ⁠ × ⁠ 40 / 100 ⁠ = 0.50 × 0.40 = 0.20 = ⁠ 20 / 100 ⁠ = 20%. It is not correct to divide by 100 and use the percent sign at the same time; it would literally imply ...

  4. Floating-point arithmetic - Wikipedia

    en.wikipedia.org/wiki/Floating-point_arithmetic

    So a fixed-point scheme might use a string of 8 decimal digits with the decimal point in the middle, whereby "00012345" would represent 0001.2345. In scientific notation, the given number is scaled by a power of 10, so that it lies within a specific range—typically between 1 and 10, with the radix point appearing immediately after the first ...

  5. What is compound interest? How compounding works to turn time ...

    www.aol.com/finance/what-is-compound-interest...

    You must convert the APY into a decimal by dividing the amount by 100. In this case, 5/100 = 0.05. ... physical calculator or by hand results in $10,511.62 — or the final balance you could ...

  6. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

  7. State tax levels in the United States - Wikipedia

    en.wikipedia.org/wiki/State_tax_levels_in_the...

    State tax levels indicate both the tax burden and the services a state can afford to provide residents. States use a different combination of sales, income, excise taxes, and user fees. Some are levied directly from residents and others are levied indirectly. This table includes the per capita tax collected at the state level.

  8. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    The International Grade Conversion system, ... 5–4.1 C Average 4–3.1 D+ Fair 3.1–2 D ... If no decimal places are used, 6 and up is a pass and 5 and below is a ...

  9. Blood type distribution by country - Wikipedia

    en.wikipedia.org/wiki/Blood_type_distribution_by...

    Type A is common in Central and Eastern Europe. In countries such as Austria, Denmark, Norway, and Switzerland, about 45–50% of the population have this blood type, whereas about 40% of Poles and Ukrainians do so. The highest frequencies are found in small, unrelated populations. For example, about 80% of the Blackfoot Indians of Montana have ...