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

Tutors Answer Your Questions about Exponents-negative-and-fractional (FREE) Get help from our free tutors ===> Algebra.Com stats: 2031 tutors, 423932 problems solved View all solved problems on Exponents-negative-and-fractional -- maybe yours has been solved already! Become a registered tutor (FREE) to answer students' questions. If you need immediate math help from PAID TUTORS right now, click here. (paid link) Click here to see problems AND answers on one page Question 23347: 2x^-2y^0(x^2y^0-4x^-6y^4 Click here to see answer by AnlytcPhil(1278)   Question 23389: If , which of the following must be true? a) b=0 b) a+b=1 c) a-b=1 d) a^2+b^2=1 e) a^2-b^2=1 Click here to see answer by stanbon(57984)   Question 23594: i do not wish for the answer i just need help working it out the problem is -7/16 - 3/8 Click here to see answer by stanbon(57984)   Question 23594: i do not wish for the answer i just need help working it out the problem is -7/16 - 3/8 Click here to see answer by ilana(307)   Question 23688: Problem is:(3y/x^4)^-3... I can not figure out how they came up with the answer of x^12/27y^3... I keep coming up with the invert of this answer... I just can't figure out how they got it to a positive and inverted it. Thanks for you help. Click here to see answer by rapaljer(4667)   Question 23921: how do you do a problem like: 3/4z=-5 1/2 Click here to see answer by AnlytcPhil(1278)   Question 23956: -5x =30 this is a fraction.. remind me how to get the X by itself. ____ 2 thank you for your help! Click here to see answer by internet heart(1)   Question 24403: how do you reduce a fraction with positive numbers? Click here to see answer by elima(1433)   Question 24404: If 4/3x-1/2=0, then x= Click here to see answer by elima(1433)   Question 24402: if 5x-3=7, then what is the value of x+3? Click here to see answer by piglet162431(90)   Question 24353: Simplify 4p squared minus 8p over 4p cubed Click here to see answer by askmemath(368)   Question 24860: a3/2b3c5 ————————— a2b1/3 Click here to see answer by AnlytcPhil(1278)   Question 24912: 2^-3-3^-1 does that make the answer 1/2^3- 1/3^1. Thank you for your time Click here to see answer by stanbon(57984)   Question 24957: I have an algebra proble I can't figure out. It is (r^1/5 times s^2/3)^1/5 over r^2...can you please help Click here to see answer by quentin252(19)   Question 25328: What is the slope of this problem y+3 = -1/3x. I'm not for sure what the formula is and how to approach this problem. Click here to see answer by Alwayscheerful(414)   Question 25328: What is the slope of this problem y+3 = -1/3x. I'm not for sure what the formula is and how to approach this problem. Click here to see answer by longjonsilver(2297)   Question 25556: WE CAN'T FIGURE OUT THIS PROBLEM YOUR HELP WOULD BE GREATLY APPRECIATED. -34 = 3D + 8 ______ 3 OUR STEPS ARE AS FOLLOWS -102 = 3D + 8 -102 -8 = 3D -110 = 3D -36.66666667 = D WHERE DID WE GO WRONG?? THANKS YOU Click here to see answer by rapaljer(4667)   Question 25556: WE CAN'T FIGURE OUT THIS PROBLEM YOUR HELP WOULD BE GREATLY APPRECIATED. -34 = 3D + 8 ______ 3 OUR STEPS ARE AS FOLLOWS -102 = 3D + 8 -102 -8 = 3D -110 = 3D -36.66666667 = D WHERE DID WE GO WRONG?? THANKS YOU Click here to see answer by bacos(9)   Question 25748: I was just wondering what the best way to solve this problem would be: 16/8^4 The way I solved it was that I multiplied out 8^4 and got 4069. Then I simplified to get my answer of 1/256. Is there a shorter way to get the solution? Thank you. Click here to see answer by josmiceli(9819)   Question 25827: What is 8 to the 2/3 power or 8^2/3? Thanks. Click here to see answer by elima(1433)   Question 25947: Evaluate for m = -3 3 - 2m2 Click here to see answer by AnlytcPhil(1278)   Question 25992: If you have a negative number to the 0 power, is the answer positive or negative one? Click here to see answer by Earlsdon(6294)   Question 26036: please solve for us 1 over W times 1 over -8 Click here to see answer by Ashley1516(4)   Question 26312: what is the answer to 2xy to the negative second power times y to the fourth power divided by mx to the negative first power times y and all of that to the negative second power. times... 4xy divided by 2x to the negative first power times y to the negative third power and all of that to the second power. ? thanks! Click here to see answer by longjonsilver(2297)   Question 26504: -5*10+3 Click here to see answer by elima(1433)   Question 26505: -4.9t+at t=10 a=50 Click here to see answer by elima(1433)   Question 26486: I need the steps for solving please. Click here to see answer by elima(1433)   Question 26612: If b is not equal to 0, which exponents or powers property is not written correctly? A) b^0=1 B) 1/b^n=b-n C) b^m * b^n=b^mn D) a^n/b^n=(a/b)^n Thank you SO much for any help you can offer me! Click here to see answer by Earlsdon(6294)   Question 26718: When the equation y=200*g^x models exponential growth, g can be A) Any whole numer B) any real number greater than 1 C) any real number D) any real number between 0 and 1. I think it may be D but I need some direction? Thank you again for your help! Its greatly appreciated!!!!! Jamie Click here to see answer by longjonsilver(2297)   Question 26787: The pattern (x2)^5=x^10 is true for... 1)x=2 only 2) x=-1 only 3) x=1 and x=0 only 4) all real numbers I feel that 2 is correct because I added the 1 and the 0 in the place of the x but I am not sure because it seems they both would equal themselves? Iam I going in the right direction here? Thank Q! Click here to see answer by AdolphousC(70)   Question 26828: A duplicating machine enlarges a picture by 30%. If that enlarger is used 2 times, about how many times as large as the original picture will the final picture be? 1) 1.7 2) 0.6 3) 2.6 4) 3 I wanted to say 0.6? but can you explain the answer for me? Again thank you for your help! Click here to see answer by bmauger(101)   Question 26879: help me solve this equation: Click here to see answer by bmauger(101)   Question 27105: Please help me to solve Click here to see answer by elima(1433)   Question 27137: Here is the problem: (5/4)to the negative 3rd power (5/4) to the negative 2nd power (5/4)to the 2nd power I always thought that to get rid of a negative power, you invert. For example the first one would be (4/5) to the 3rd power, the second one would be (4/5) to the 2nd power....but what do I do with the 3rd part? It is not a negative exponent. Then you would add/subtract the exponents and the base would remain (4/5). Please help if you understand my question. Thanks, Patty Click here to see answer by askmemath(368)   Question 27152: Can you please help me to solve . I just started this chapter and I really don't get how to do it and my math teacher is taking a grade on Monday can you please help me and fast. Click here to see answer by askmemath(368)   Question 27249: NEED HELP ASAP!!!!! I need help on the whole set up of negative exponents. I know it takes practice to learn it but I just don't understand how to solve them, please help. Click here to see answer by rodriguezh2(15)   Question 27586: I do not understand anything We are working on in math, but here is one of the problems I am currently having a problem on. how do you rewrite the expression with positive exponents? (2c)^-4d Click here to see answer by longjonsilver(2297)   Question 27653: I've tried to work this out but can't figure out where I'm going wrong... (-2)^2-(-2)^-3(3) I get 4 + 1/8 times 3 or 99/8 but the answer is suppose to be 35/8. ?????? Thank you for any assistance. Rebecca Click here to see answer by askmemath(368)   Question 27737: Factor: 9x^2-12x-5 How do I do this ? Thanks for your help and time ! Click here to see answer by sdmmadam@yahoo.com(530)   Question 27742: Factor: How do I do this ? Solve: (z-5)(z+4)=52 Thanks for your help and time, it's greatly appreciated ! Click here to see answer by sdmmadam@yahoo.com(530)   Question 27741: Factor: How do I do this ? Solve: 6x^2=12x Thanks for your help and time, it's greatly appreciated ! Click here to see answer by sdmmadam@yahoo.com(530)   Question 27740: Factor: How do I do this ? Factor: y^3+125 Thanks for your help and time, it's greatly appreciated ! Click here to see answer by sdmmadam@yahoo.com(530)   Question 27739: Factor: How do I do this ? Factor 2x^3y^2-32xy^2 Thanks for your help and time, it's greatly appreciated ! Click here to see answer by Earlsdon(6294)   Question 27738: Factor: 3x^2+x+1 How do I do this ? Thanks for your help and time ! Click here to see answer by stanbon(57984)   Question 27736: Factor: 10a^3+3a-4 How do I do this ? Thanks for your help and time ! Click here to see answer by Earlsdon(6294)

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