# Questions on Algebra: Exponents and operations on exponents answered by real tutors!

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 Algebra: Exponents and operations on exponents Solvers Lessons Answers archive Quiz In Depth

 Question 119831: A car uses 10 gallons of gasoline on a trip of 370 miles. At that rate, how much gasoline will a trip of 518 miles require? Click here to see answer by apachemexican1(64)

 Question 128950: 16mn^-5 9^4*9^6 Ialways get mixed up on these! Click here to see answer by checkley71(8403)

 Question 129007: Toms uncle owns a triangular piece of land. The perimeter fence that surrounds the land measures 378 yards. The shortest side is 30 yards longer than one-half of the longest side. The second longest side is 2 yards shorter than the longest side. What is the length of each side? What does this problem mean? I tried and I don't understand it. Please help me Click here to see answer by checkley71(8403)

 Question 129161: In an auditorium there are 4a rows, and each row can accommodate 5yz benches. If x students can be accommodated in each bench, then how many students can sit in the auditorium? Please help me with this problem I have tried and don't understand it. Please Help Me Click here to see answer by edjones(7569)
 Question 129161: In an auditorium there are 4a rows, and each row can accommodate 5yz benches. If x students can be accommodated in each bench, then how many students can sit in the auditorium? Please help me with this problem I have tried and don't understand it. Please Help Me Click here to see answer by stanbon(57342)

 Question 129334: Find the exact value of (111, 111, 111)^2 Click here to see answer by checkley71(8403)

 Question 130034: (-27)^n = 9 I am having a hard time understanding how to solve problems like this that have a negative interger and an exponent. I am also having problems with exponents that are fractions. The section in my book is called Rational Exponents. Any help would be greatly appriciated. Click here to see answer by Earlsdon(6287)

 Question 130502: (-y^-4)^2 / 6(y^-5)^-1 simplify expression with positive exponents only Click here to see answer by cngriffith(27)

 Question 130657: ok this is grade 10s math pure exponents how do u solve this problem? (M to the power of 5)*(M to the power of 4)3 Click here to see answer by Earlsdon(6287)

 Question 130793: does anybody know what a "multiplicative inverse" is???? PLZZZZZZZZZZZZZZ help i've looked everywhere!!!! Click here to see answer by cngriffith(27)

 Question 130939: (5x + 2x - 7x  3)  (6x + 3x  11) 125x + 4x  7x  3  36x + 3x  11 (125x + 4x  7x  36x + 3x)  3 - -11 (125x + 4x + 3x  43x)  3 + 11 89x + 8 Do I have the right answer? Click here to see answer by cngriffith(27)

 Question 130940: (5x + 2x - 7x  3)  (6x + 3x  11) 125x + 4x  7x  3  36x + 3x  11 (125x + 4x  7x  36x + 3x)  3 - -11 (125x + 4x + 3x  43x)  3 + 11 89x + 8 NOTE: ORIGINAL EQUATION HAD EXPONENTS IN IT: (5x^3 + 2x^2 - 7x - 3) - (6x^2 + 3x - 11) Click here to see answer by checkley71(8403)

 Question 131150: Can you please tell me if this is figured right? Simplify: ( x/x^2  9 )  ( x/x^2 + 2x  15 ) (1 - 9) - (3x - 15) -8 - - 12 -8 + 12 = 4 Click here to see answer by edjones(7569)

 Question 131426: I don't understand this! Help!! (-9x^3)^2(-1/9x^6) the slash meaning a fraction thanks! Click here to see answer by josmiceli(9676)
 Question 131426: I don't understand this! Help!! (-9x^3)^2(-1/9x^6) the slash meaning a fraction thanks! Click here to see answer by 067isa(13)

 Question 132129: -a-n an-1 a1(-a)-n ____________ Simplify. N is an even number a-n I couldnt do exponents in this format so the problem reads negative a to the negative n, times a to the n minus 1, times a to the 1, times negative a to the negative n, over a to the negative n. Click here to see answer by rapaljer(4667)

 Question 132569: solve 3x to the 2nd power + 17 = 33 + 7x 2nd power Click here to see answer by stanbon(57342)

 Question 132706: 1. solution of x2y5y-2x-2 2. solution of p0x-1(x-2x0) 3. solution of m5b2mb-2 4. solution of 4x2p0(3xp5-2x-2) and how you arrive at the solutions thank you Click here to see answer by stanbon(57342)

 Question 132832: What is the simplified form of:(3x^3y^2)^4(2y)^-3 Answer choices: A) 3/2x^12y^5 B) 3/2x^7y^3 C) 81/8x^12y^5 D) 81/8x^7y^3 Click here to see answer by checkley71(8403)

 Question 133179: I am stuck on a problem, would you please be able to assist me. Thank you. I am asked to simplify the following, expressing your answer with positive indices. The problem is as follows: (2x^3y^-2/-3x^5y^-4)^2. This would really be appreciated. Thank you so very much. Cheers D Click here to see answer by vleith(2825)

 Question 133297: Hi all I have a couple of easy ones for you, but I need to know if I have got them correct for my methodology. Would you please be so kind and have a look at these for me. Thank you. I am asked to simplify the following: Q1/ x-x^-1 and also Q2/ (x+x^-1)^-1 I have Q1/ x-1/x and also Q2/ 1/(x+1/x) Am I on the right track? Thank you so very much. Cheers D Click here to see answer by vleith(2825)