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Which is the simplified form of [tex]$p^0$[/tex]?

A. [tex]$p$[/tex]
B. [tex]$\frac{1}{p}$[/tex]
C. 0
D. 1

Sagot :

Certainly! Let's simplify the expression [tex]\( p^0 \)[/tex].

In mathematics, any non-zero number raised to the power of 0 is defined to be 1. This is a fundamental principle of exponents.

There are a few ways to understand why this is the case:

1. Definition: By definition, for any non-zero number [tex]\( p \)[/tex], the expression [tex]\( p^n \)[/tex] represents [tex]\( p \)[/tex] multiplied by itself [tex]\( n \)[/tex] times. When [tex]\( n = 0 \)[/tex], we have an empty product of [tex]\( p \)[/tex], and the convention is to define any number to the power of 0 as 1.

2. Exponential Laws: Considering the laws of exponents, specifically the property that [tex]\( p^a \cdot p^b = p^{a+b} \)[/tex], let's set [tex]\( a \)[/tex] and [tex]\( b \)[/tex] to 0. We get:
[tex]\[ p^0 \cdot p^0 = p^{0+0} = p^0. \][/tex]
To maintain consistency, we see that [tex]\( p^0 \)[/tex] must equal 1 because multiplying any number by 1 does not change its value.

3. Sequential Reasoning: Take a series of decreasing exponents, for instance, [tex]\( p^3, p^2, p^1 \)[/tex]. Dividing each by [tex]\( p \)[/tex], we have:
[tex]\[ p^3 = p \cdot p \cdot p, \][/tex]
[tex]\[ p^2 = p \cdot p, \][/tex]
[tex]\[ p^1 = p. \][/tex]
Continuing the pattern, dividing [tex]\( p^1 \)[/tex] by [tex]\( p \)[/tex] once more gives:
[tex]\[ p^0 = \frac{p^1}{p} = \frac{p}{p} = 1. \][/tex]

Therefore, the simplified form of [tex]\( p^0 \)[/tex] is indeed:

[tex]\[ 1 \][/tex]

So, the correct and simplified form of [tex]\( p^0 \)[/tex] is:
[tex]\[ \boxed{1} \][/tex]