# 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 310392: -3(3f^-1g^3)^-2 I was asked to simplify this expression. The answer key given to us my my teacher says the answer should be -f^2/3g^6, but I got -f^2/27g^6. I have found misprints in the answer key for other questions; is this yet another? Click here to see answer by solver91311(16877)

 Question 310552: If the distance from the earth to the sun were 92,900,000 miles, how long would it take a rocket, traveling at 2.8 × 103 miles per hour, to reach the sun? (Round to three places) Click here to see answer by Fombitz(13828)

 Question 311346: add or subtract as indicated: (7r³ + rs - 5r² ) - (2r³ - 3rs + r²) Click here to see answer by fractalier(2101)

 Question 312575: "x to the second power, y to the third power; OVER x to the negative first power, y; all to the negative first power via parenthesis... times... x to the fourth power, y; OVER x , y to the second power; all to the second power via parenthesis. Any assistance would be appreciated. Sending from a mobile phone, so limited on my ability to present this problem any more clearly. Thanks! Click here to see answer by nyc_function(2733)
 Question 312575: "x to the second power, y to the third power; OVER x to the negative first power, y; all to the negative first power via parenthesis... times... x to the fourth power, y; OVER x , y to the second power; all to the second power via parenthesis. Any assistance would be appreciated. Sending from a mobile phone, so limited on my ability to present this problem any more clearly. Thanks! Click here to see answer by JBarnum(2044)

 Question 312628: Choose the correct equation for an exponential function with initial valuue (0,4) that passed through (2,16) a. y=x^4y b. 2(16)^x c. 16=2(4)^x d. y=4(2)^x Click here to see answer by Fombitz(13828)

 Question 313232: What is the third term of the binomial expansion of Click here to see answer by Edwin McCravy(8907)

 Question 313489: Choose the next number in the sequence, 5, 8, 18, 21, thank you Click here to see answer by JBarnum(2044)

 Question 313539: If the diameter of a circle is 1.3 1012 meters, then what is its radius? Click here to see answer by stanbon(57307)
 Question 313539: If the diameter of a circle is 1.3 1012 meters, then what is its radius? Click here to see answer by tutorcecilia(2152)

 Question 313692: I need to know what 4,564 is in expanded form using exponents. Thank you. Click here to see answer by Alan3354(30993)

 Question 314040: I need help with this please: Multiply: -5x^5y(5x - 4xy^3 + 4y^4) I need to show my work but I don't I don't know how to figure this one out. Click here to see answer by Fombitz(13828)

 Question 314042: Simply (and show steps) (a^-6b^-3)/(a^-5b^2) It's a fraction the numerator in () and the denominator's in () there are no signs between a and yes they are negative powers of 6, 3, and 5. Click here to see answer by Fombitz(13828)

 Question 314305: Do you know what 235 times 10 cubed's standard form is? If you know, please tell me. Click here to see answer by Fombitz(13828)

 Question 314859: the number 64 is both a perfect square and a perfect cube because 8 with an exponebt of 2 equals 64 and 4 with an exponent of 3 equals 64. use what you observed with this number to find a 3 digit number and a 4 digit number with this same property. (both a perfect square and a perfect cube.) well u plz solve this for me Click here to see answer by rapaljer(4667)

 Question 315088: for all x greater than 0 and y greater than 0, the radical expression square root x divided by 3 square root x - square root y is equivalent to 3x + square root xy divided by 9x - y how did they get this answer and can you please work it out step by step thank you Click here to see answer by Fombitz(13828)

 Question 315114: 3x to third power - 2x + 7y x = -3 y = -7 Click here to see answer by Fombitz(13828)

 Question 315188: help! this is the question Simplify: (3x²+4x) / (2x²) Click here to see answer by Fombitz(13828)

 Question 315228: How do you solve problems like this? 324=4(3^n-1) thank you Click here to see answer by nerdybill(6958)
 Question 315228: How do you solve problems like this? 324=4(3^n-1) thank you Click here to see answer by malaydassharma(59)

 Question 315236: if the average of three numbers is v. if one of the numbers is z and another is y what is the number remaining Click here to see answer by Fombitz(13828)

 Question 315297: HOW DO YOU MAKE A NEGATIVE EXPONENT INTO A POSITIVE EXPONENT AND WRITTEN IN STANDARD FORM USING FRACTIONS. FOR EXAPMLE {}= EXPONENT NEGATIVE POSITIVE STANDARD 6{-2} (1/6){2} 1/36 CAN YOU HELP ME WITH THE FIRST ONE 5{-3} I NEED IT IN POSITIVE AND STANDARD Click here to see answer by user_dude2008(1861)

 Question 315534: what is the smallest integer greater than 1 which is simultaneously a square, fourth power and also a fifth power of a certain integer? Click here to see answer by Edwin McCravy(8907)

 Question 315791: just wondering how to solve this without a calculator? (9^8)(4^3)/ (9^7)(4^2)= Click here to see answer by jim_thompson5910(28550)

 Question 316311: solve the exponential equation and approximate the result, correct to three decimal places. 3x=24 Click here to see answer by Alan3354(30993)

 Question 316313: write the expression in condensed form log x4 z/ y2 Click here to see answer by nyc_function(2733)