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 276035: 6.) -9x + 3 > 30 -9x > 27 x > -3 x < -3 Which answer? I got -9x>27 but I'm not sure Click here to see answer by richwmiller(9143)

 Question 276739: Hi there! I need help on Factoring these... 1. 2x²+18=0 2. 2³-25=0 3. x²-60=17x Thank you so much! I stink at factoring and have tried these many different ways but couldn't seem to get it right. Click here to see answer by checkley77(12569)

 Question 277861: I am having problems trying to figure this problem out: The ratio of yes votes to no votes in an election was 5 to 4. How many yes votes were cast if these were a total of 7200 votes cast? Click here to see answer by richwmiller(9143)

 Question 277915: What is the solution to the problem '3x to the negative second power' ? Im not sure at all to do these equations when they involve a variable against the base. Click here to see answer by stanbon(57387)

 Question 278252: what is the answer to x to the 4th times x to the the 3rd? Click here to see answer by user_dude2008(1861)

 Question 278741: you can write 720 as: 2^x X 3^y X 5^z . determine the values of x, y and z Click here to see answer by Fombitz(13828)

 Question 279223: Explain how would you factor completely the polynomial 3x^3y - 48xy Click here to see answer by Earlsdon(6287)

 Question 279564: Algebraically solve: a)sq root 125^x = (25)(5^-2x) b)4^(-2x+1)=sq root8 I got 1/8 but was told that I was wrong ?!?! c)3x^-3 = 81 ??? Click here to see answer by Alan3354(30993)

 Question 280359: Solve algebraically. Trial and error is not an appropriate method of solution. You must show all your work. Learn how to type math roots and fractions by clicking on the link in the assignment list. Alternately, you may type as cuberoot(x) and show raising to the nth power as ^n, like x 3 is typed x^3. a)t^2/3=4 Can you please show me how to solve this? Click here to see answer by stanbon(57387)

 Question 281126: What is the square root of 7x^5 multiplied by the square root of 42xy^9 Click here to see answer by checkley77(12569)

 Question 281650: In my basic math class we are now on section 5.1 which is properties and exponents. The question asked to write expression 8a to the third power as a perfect cube, and I am not sure what steps to take Click here to see answer by jim_thompson5910(28598)
 Question 281650: In my basic math class we are now on section 5.1 which is properties and exponents. The question asked to write expression 8a to the third power as a perfect cube, and I am not sure what steps to take Click here to see answer by checkley77(12569)
 Question 281650: In my basic math class we are now on section 5.1 which is properties and exponents. The question asked to write expression 8a to the third power as a perfect cube, and I am not sure what steps to take Click here to see answer by richwmiller(9143)

 Question 282224: Write each of the following expressions as a single power of x. a) x^-6*x^5 b) x^3/x^-6 c) (x^-6)^5 Click here to see answer by jim_thompson5910(28598)
 Question 282224: Write each of the following expressions as a single power of x. a) x^-6*x^5 b) x^3/x^-6 c) (x^-6)^5 Click here to see answer by Mathematicians(84)

 Question 282869: How do I write the answer as a power using only positive exponents. The problem is a^7 divided by a^2 Click here to see answer by Alan3354(30993)

 Question 282981: 300 cookies for 18 boxes (need to show in simplest form) 300/18 2*2*5*5*3/2*3*3 = 50/3 Click here to see answer by richwmiller(9143)

 Question 283521: how do I work this problem and what is the correct answer? 3 raised to 1/2 multiplied by 9 raised to 1/3 Click here to see answer by Edwin McCravy(8909)

 Question 283561: Rewrite the following expression with positive exponents Choose the correct equivalent expression. A) B) C) D) Click here to see answer by oberobic(2304)

 Question 284142: Pleas help me simplify expression 5X(2X - 5) Click here to see answer by Deina(147)

 Question 284316: i must simplify 36^1/2 how do i do this. thanks Click here to see answer by richwmiller(9143)

 Question 285338: im a little confused as to what to do with the exponent in this situation. My teacher taught us in class but now that im home my mind went blank. The answer i came up with is -1. But the answers that were provided on this site are -2 and -4. Here is the problem: x^2 + 6x + 8 = 0 Here's what i did: x*x+6x+8=0 2x+6x+8=0 8x+8=0 8x=-8 x=-1 Click here to see answer by stanbon(57387)

 Question 285656: . Write an equivalent expression using exponential notation. 5√(n4) Could someone help me with this problem. I have no idea where to begin or how to do this. Thank you. Cynthia Click here to see answer by stanbon(57387)

 Question 285781: Solve for x: (x + 1)^3/2 = 8 A. 3 B. 5 C. 21.63 D. 25 E. None of these. Click here to see answer by nabla(475)

 Question 285788: If 3^2y+2 = 729, what is the value of y^y^3 ? A.5^125 B. 6^216 C. 64 D. 256 E. None of these. Click here to see answer by Alan3354(30993)