Reference no: EM13910119
1. Simplify. (a6b7)6
2. Simplify. (y3/z5)5
3. Classify the following as a monomial, binomial or trinomial, where possible. -(vw2/2)
4. Classify the following as a monomial, binomial or trinomial, where possible. 4x2 - 3xy + y2
5. Classify the following as a monomial, binomial or trinomial, where possible. y7 + y6 + 8y5+ 2
6. Write in descending order and give the degree. 7x3 + 10x4 + 10
7. Evaluate -x2 - 10x - 6 for x = 3.
8. True or False? The degree of a trinomial is never 4.
9. Evaluate (assume x does not equal 0). 8x0
10. Write using positive exponents and simplify, if possible. 5-3
11. Simplify and write your answer with only positive exponents. m5/m20
12. Simplify. Write your answer with only positive exponents. (r3)-5/r(r3)-4
13. Express the number in scientific notation.The diameter of Neptune: 49,600,000 m
14. Perform the indicated calculations. Write your result in scientific notation. (8 x 108)(5.4 x 103)/(2.7 x 1014)(2 x 1015)
15. The distance from a star to a planet is 7.4 x 1018 m. How long does it take light, traveling at 1016 m/year, to travel from the star to the planet?
16. Add 6m2 - 2m - 4 and 10m2 + 3m - 6.
17. Remove the parentheses and simplify. 7y - (-10y - 9x)
18. Subtract 4d2 + 9d - 10 from 10d2 - 3d + 7.
19. Perform the indicated operations.[(6y2 + 2y - 2) - (-y2 - 10y + 2)] - (-4y2 + 3y + 3)
20. A census study shows that the population from 1990 to 1998 of the only large town in a certain county can be modeled by the formula 102t2 - 225t + 3090 where t = 0 represents the year 1990 and that over the same years, the population of the surrounding county (not including the town) can be modeled by the formula 125t2 + 72t + 4978 where t = 0 represents the year 1990. Find a model for the total population of the county during the years 1990 to 1997.
21. Multiply. -6x(-4x - 7)
22. Multiply. (5m - 3)(4m + 7)
23. Multiply. (-4x - 2)2
24. Divide. 50x3 - 70x2/10x
25. Divide. x4 - 10x2 +31/x2-5
26. Write 7.7x10^8 in standard notation.
27. Evaluate 4x^0+5
28. Simplify and write using positive exponents.(-6)^-2
29. Simplify x^-7/y^-2
30. Multiply (x-9)(x+9)
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Distillation of a solution containing
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Write your result in scientific notation
: Express the number in scientific notation.The diameter of Neptune: 49,600,000 m and Perform the indicated calculations. Write your result in scientific notation. (8 x 108)(5.4 x 103)/(2.7 x 1014)(2 x 1015)
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