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Jofish5815
01.09.2020 •
Mathematics
Write a sentence as an equation
the product of 248 and a is 391
Solved
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Ответ:
Step-by-step explanation:
To simplify the exponents, you must put it in positive value
Example:
The simplest form of
is to change the exponent from negative value to positive value.
You can do that by reciprocal the number,That means if you want to simplify
, reciprocal a and change the sign of the power from -n to n
The simplest form of
is
OR ![\frac{1}{a^{n} }](/tpl/images/0821/4211/d0a1a.png)
For any number, a (a ≠ 0), 1 × a = a, so, the reason that any number to the zero power is 1 because any number to the zero power is just the product of no numbers at all, which is the multiplicative identity, (1)
Example:
The value of
= 1, because it is the product of no numbers, so it is equal to the multiplicative identity (1)
That means
= 1, where a ≠ 0
Very important note: