Taking logarithsm. For example, 100 x 1000 = 100,000. Taking logarithms (base 10), 2 + 3 = 5.
The answer to an addition, subtraction, multiplication, or division of fractions should always be expressed in its simplest form. This means that the numerator and denominator should be reduced to their lowest terms, ensuring that there are no common factors other than 1. Additionally, when adding or subtracting fractions, a common denominator must be found first.
Addition and subtraction are the only fraction operations that need a common denominator. Multiplication, division, and exponents do not need a common denominator. In fact, it is best to use reduced fractions otherwise it gets very messy.
Doubling a number means multiplying it by 2. This is equivalent to adding the number to itself. Halving means dividing by 2. This is equivalent to multiplying by 1/2 (or by 0.5); since this is not an integer, it can't be reduced to addition.
John Napier invented logarithms in the early 17th century, with his work published in 1614 in the book "Mirifici Logarithmorum Canonis Descriptio." His invention was designed to simplify calculations, particularly in astronomy and navigation, by transforming multiplication and division into addition and subtraction. This significantly reduced the potential for errors in calculations at the time.
You're talking about John Napier, who took ordinary exponents, put them in a fancybottle with a new label on it, called them 'logarithms', and showed people how touse them to accomplish multiplication and division while actually doing only additionand subtraction (respectively).Had it not been for Napier, the slide-rule would not have been invented, and thousandsof Engineering students could have gotten along just fine without suspenders.
meiosis
30/45 = 2/3 in its reduced terms
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No, if you know your multiplication facts you know that 3 and 9 can both be divided by 3.
In wave interference, the amplitude can be increased by in-phase addition or reduced by out of phase addition, or some combination dependent on phase angle.
The chromosome number is reduced by half in the first meiotic division, going from diploid to haploid, while the chromosome arms remain the same. In the second meiotic division, the chromosome number remains the same, but the sister chromatids are separated resulting in haploid daughter cells.
This is a pretty technical question. The answer will vary depending on your grade level.If you are talking about magnitude (i.e., ignore the negative) than the answer is sort of (I'll explain further down).If you are allowing negative numbers,Start with 2, and multiply it by -1. 2 x -1 = -2 which is smaller than 2.Now, what about multiplying by a number between 0 and 1 (0.5 for example).Start with 4 and multiply by .5 to get 2. 2 is smaller than 4.However, you could argue that by multiplying by a decimal, you are in addition to multiplying, dividing which is why the number is reduced. By the same logic, division would always result in a number of lower magnitude. That would be the side I would tend to take as well, so:Multiplication always increases the magnitude of a number, but does notnecessarilymake it bigger. Division always reduces the magnitude of a number, but does not necessarily make it larger.I should also mention, this is controversial. People can make the argument either way (in regards to multiplication vs division).