# Questions on Algebra: Negative and Fractional exponents answered by real tutors!

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 Question 288471: I'm hoping someone can help me finish this problem. I've gotten to this point but I don't know where to go from there. Any help would be really appreciated! Click here to see answer by Alan3354(34674)

 Question 289435: can anyone show me how to simplify this problem without negative exponents? Click here to see answer by Deina(147)

 Question 290052: how do i write 8-6(8 to the negitive 6 power)in positive exponets Click here to see answer by dabanfield(803)

 Question 290398: Not sure if this is in the right section Find f[g(x)] and g[f(x)] f(x)=5x^3+8 g(x)=2x Answers are f[g(x)]=40x^3+8 g[f(x)]= 10x^3+16 When I did the problem i kept getting 10x instead of 3 and 8 instead of 16 please help with steps!! Click here to see answer by richwmiller(10275)

 Question 291193: I ned help with this: (z+2)to the negative two-third power = 3 Click here to see answer by Fombitz(13828)

 Question 292384: -1/5)x to the -1/5 times x to the -1/4 what i tried: 1/x to the 1/5 times 1/x to the 1/4 = 1/x to the 1/20 the answer is supposed to be 1/x to the 9/20 Click here to see answer by Deina(147)
 Question 292384: -1/5)x to the -1/5 times x to the -1/4 what i tried: 1/x to the 1/5 times 1/x to the 1/4 = 1/x to the 1/20 the answer is supposed to be 1/x to the 9/20 Click here to see answer by Alan3354(34674)

 Question 293682: I have no clue how to do this. My teacher did not teach it but it is on the final!! it is (x to the 3/5) over (x to the 6/5 times x to the -5) Click here to see answer by richwmiller(10275)

 Question 294432: Please find the intercepts for the equation. 2x + y = 6 Thank you Click here to see answer by Fombitz(13828)

 Question 294442: Please help with this problem Persons taking a 20-hour review course to prepare for a standardized exam average a score of 720 on that exam. Persons taking a 50-hour review course average a score of 768. Using an equation for the line whose graph depicts this data, predict the average score for persons taking a 45-hour review course. Round your answer to the tenths place. Thanks Click here to see answer by richwmiller(10275)

 Question 294436: Please find the slope and the y-intercept of the line. y - 7 = 8 Thank you Click here to see answer by richwmiller(10275)

 Question 294445: Please find an equation of the line containing the given pair of points. (slope-intercept form.) (3.3, -4) and (6.3, 3.6) Click here to see answer by checkley77(12569)

 Question 295121: If - 1/3x + 7 = 16, what is the value of 2x + 1? And how do you get that answer? Click here to see answer by richwmiller(10275)

 Question 297208: Please replace the blanks in each equation with constants to complete the square and form a true equation t^2-5/3t + ___=(t-___)^2 Thank you Click here to see answer by Fombitz(13828)

 Question 301437: what do you do when you have a number to a negative exponent? for example 4 to the -3/2? Click here to see answer by vleith(2825)
 Question 301437: what do you do when you have a number to a negative exponent? for example 4 to the -3/2? Click here to see answer by richwmiller(10275)

 Question 301743: Simplify (12x^-3 y^3) -----------)^0 ( 4x^2 y ) Click here to see answer by JBarnum(2088)

 Question 302472: How do i solve this equation -7/12+3/4-(-5/8)-13/24 and 30/6-5/30+2/6 Thank you Click here to see answer by richwmiller(10275)