can someone help me work these out i need to turn in sample work i will mark whoever will help brainliest any help will be appreciated
1. −(7)^−1
2. Simplify the following expression. (−5)^−6(−5)^9
3. Find the simplified form of the expression. Give your answer in scientific notation.
(4 10^10)(9 10^−6)
4. (^−7)^−4 X^8
5. (4/5^3)^3
6. (3^3/^5)^−4
7. ^0^2
8. A balance of $5,500.00 principal earns 3% interest, compounded annually. After 5 years, what is
the balance in the account?
9. A car costs $25,000 and depreciates in value by 15% each year. How much will the tractor be
worth after 4 years?
10. Does the table represent an exponential function? Explain why or why not.
x 1 2 3 4
y 2 8 32 128
