Why is everything 1 when raised to the 0th power?
2 answers:
Answer:
Step-by-step explanation:
Use the laws of exponents, specifically the law for division.
When dividing, the exponents are subtracted.
For example,
Now let's do an example where the exponent will equal zero.
Now let's see why this equals 1. If you actually solve it equals 25. So, let's solve the numerator and denominator and simplify.
As you can see, an exponent of 0 represents having the same number in the numerator and denominator, which when solved it equals 1.
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<h2>Answer:</h2>
The equation that will be used to find t is:
Total distance that is traveled by Amir is: 5 miles.
and the total time taken by him is: 2 hours.
On the first part of the hike, Amir averaged 3 miles per hour.
Let t denote the time he spent hiking during the second i.e. difficult part of the hike.
- Hence, the time he spent in first part of hike is: 2-t
( Since, the total time was 2 hours)
Also, we know that:
Hence, distance traveled in first part of hike is:
- Now, the distance he will travel in second part of hike will be: 5-3(2-t)
Since the total distance traveled by him is 5 miles.
It is given that his speed decreased to 1.5 miles per hour.
Now, we know that:
Hence, time spent by him in second part of hike is:
