Can someone me work these out i need to turn in sample work i will mark whoever will brainliest any 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