asked 59.5k views
21 votes
Why is everything 1 when raised to the 0th power?

2 Answers

11 votes
yeah dang i have no idea. great question tho
answered
User Lepidopteron
by
8.5k points
1 vote

Answer:

Explanation:

Use the laws of exponents, specifically the law for division.

When dividing, the exponents are subtracted.

For example,
(x^(8) )/(x^(2) )=x^(8-2) =x^(6)

Now let's do an example where the exponent will equal zero.


(5^(2) )/(5^(2) ) = 5^(2-2)=5^0=1

Now let's see why this equals 1. If you actually solve
5^2 it equals 25. So, let's solve the numerator and denominator and simplify.


(5^(2) )/(5^(2) ) = (25)/(25) =1

As you can see, an exponent of 0 represents having the same number in the numerator and denominator, which when solved it equals 1.

answered
User Spyk
by
8.1k points

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