Put your answer in the blank to the left of the question.
__________ 1. -9.54 + 5.4 = ______
__________ 2. -(-(-4 + 7)) = ________
__________ 3. 2/3 + 6/7 = _______
__________ 4. 25 % of 60 = _____.
__________ 5. 80 - (20 - 2 x (52 - 42) )2 = _____
__________ 6. Rounded up to the next tenth 2/3 = ______.
__________ 7. Solve for n: 6n + 3n + 29 = 12n + 10 + 4 + 2n
__________ 8. How many sides does a decagon have?
__________ 9. How many cubic feet are in a cubic yard?
__________ 10. As a decimal 5 1/2 %=_______
__________ 11. As a fraction in lowest terms, 15% =_______
__________ 12. One ten-thousandth in scientific notation is _______.
__________ 13. What is largest? -7.8989 -7.8 -7.998 -7.89
__________ 14. What property states that a + b = b + a ?
__________ 15. ((4 + 5) × 5 - 40)2 -20)2 = _________
__________ 16. If a=2, b=3, and c = 5 then abc2= _______.
__________ 17. In scientific notation, what is 56.09 million?
__________ 18. Who is the main man? Mr. Bachrach Mr. Hickam
__________ 19. 2.5% of 400 =_______
__________ 20. Which is larger? 9.5 x 10-23 9.55 x 10-23 9.555 x 10-23