Answer:

Step-by-step explanation:

<em>n</em> → exponent, means to multiply the base number by itself <em>n </em>no. of times.
Here we multiply the base number by itself 4 times.

Answer:
10* 299.99=2999.9
2999.9/100=29.999
this would round up to 30, so Brittany saved $30. : )
Answer:
b
Step-by-step explanation:
2022 on edge I just did it
Let

be the amount of parts the student answered correctly. Suppose that

is a function between

and the score of a student's project. As the student initially receives a fixed

points for turning the project in and

points for each correct part, the function is initially:

When the students receive

points for each correct part, the coefficient of

changes, as the amount of points received per correct answer increases. Thus:

.
Negative 45 or -45 because different signs with multiplication are always negative