# Math

CLICK HERE |!!!!PLEASE HELP WITH THISS!!!. Lesson 9: Exponents and Exponential Functions Unit Test CE 2015 Algebra 1 B Unit 2: Exponents and Exponential Functions

1.-(6)^-1
6
1/6
-1/6
-6

2. (-8.3)^0
1
-1
0
-8.3

3. -1/a^-2
-a^2
-2/a
-2a
a^2

4. 4^6 times 4^3
4^9
4^18
12^9'64^9

Simplify the expression
(5)^-5(5)^7
1/25
25
10
5^-35

6.(y^6)^2
2y^12
y^12
Y^8
y^36

7. (3t^5)^-3
9/t^15
3/t^15
27/t^15
1/27t^15

8. What is the value of 11x^-3y^-1 for x=-1 and y=2
-2/11
-22
-66
-11/2

9.( t^-4)^-9 t^2

10.(y/7y^5)^2

11.determine if the number 5.1 x 10^-8 is written in scientfic notation. if not, explain

12. What is the order of 4 x 10^-7 , 7 x 10^-9, 1 x 10^4 , 2 x 10^4 from least to greatest

13. find the simplified form of the expression. Give your answer in scientific notatio
(8 x 10^4)(9 x 10^-8)

14 Astronomers measure large distances in light-years. One light-year the distance that light can travel in one year, or approximately 5.88x10^12 miles. Suppose a star is 3.2x10^2 light-years from Earth. In Scientific notation, approximately how many miles is it?

15. A dinosaur fossil is 91,910,000 years old. How can you express this age in scientific notation with the highest level of precision

(What is the scientfic notation for that number)

16. Radio signals trvael at a rate of 3 x 10^8 meters per second. How many seconds would it take for a redio signal to travel from a satellite to the surface of earth if the satellite is orbiting a height of 3.6 x 10^7 meters? (Hint: time is distance divided by rate)

17. does this table represent an exponential function

x 1 2 3 4
y 4 16 64 256

18. does the rule y=6x^7 represent an exponential function

21. Suppose that the amount of algae in a pond doubles every 4 hours if the pond initially contains 90 pounds of algae, how much algae will be in the pond after 12 hours?

23. A \$4,000.00 principal earns 5% interest, compunded annually. After 4 years, what is the balance in the account

24. A boat costs \$92,000.00 and depreciates in value by 15% per year. How much will the boat be worth after 10 years

THANK YOU FOR YOUR TIME HAVE A NICE DAY :)))))))

1. 👍
2. 👎
3. 👁
1. We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.

However, I will start you out.

2. From Google:
The zero exponent rule basically says that any base with an exponent of zero is equal to one. For example: x^0 = 1.

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2. 👎

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