Simplify: (3+√5)(4-√5)
2 answers:
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Answer:
In the world of exponents, 4 is the number being raised by the exponent, which is 2.
Let's answer the first question:
If the base is 4, what is the value if the exponent is 2?
- The base is 4 and the exponent is 2. We would multiply 4 two times.
So, it would be 16.
Let's answer the second question:
What if the exponent is -2?
<u>This is the rule for negative exponents:</u>
Using this rule, we can solve .
So, our answer for the 2nd question is 1/16.
Answer:
Step-by-step explanation:
When converting mixed numbers (such as the one above), to improper fractions, we must first multiply the whole number by the denominator:
Then, add the numerator the the product:
Now, put the sum over the denominator to get your solution:
-
To check your work, you can convert the improper fraction to a mixed number to make sure you will end up with .
Divide into
:
with a remainder of
Put the remainder over the denominator:
Therefore, our solution is correct!