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 100323: evaluate 7 - 2 (15 - 2 to the 3rd power) divided by 3 to the 2nd power - 5 (3) That's the best I can type it. Thanks Click here to see answer by checkley71(8403)

 Question 100313: Evaluate 5 times 3 to the 2nd power - 7 times 3 Click here to see answer by checkley71(8403)

 Question 100319: evaluate 4 to the 2nd power + 2 times 7 - (5 times 4 -15) THis is the best way I can type it. Thanks Click here to see answer by edjones(7569)

 Question 100383: Evaluate the following using the rules of exponent.((-2)3)4*(-2)6*(-2)-5 Click here to see answer by elima(1433)

 Question 100317: divide 9d to to the 6th power m to the 10th power times 3d to the 6th power m to the 10 power divided by 3d to the 6th power m to the 6th power. I'm so sorry but this is the best way I can type it. If you do understand this can you please show steps taken to get the answer. Thanks Click here to see answer by ankor@dixie-net.com(15645)

 Question 100805: What is 5 to the zero exponent....Out answer sheet say 1....I think it should be 5 or 0 which is it? Click here to see answer by jim_thompson5910(28536)
 Question 100805: What is 5 to the zero exponent....Out answer sheet say 1....I think it should be 5 or 0 which is it? Click here to see answer by edjones(7569)

 Question 100948: Do you know any other websites that can show me free worksheets on how to work on exponents? I need them tomorrow. Yours, Arialyn Click here to see answer by stanbon(57282)
 Question 100948: Do you know any other websites that can show me free worksheets on how to work on exponents? I need them tomorrow. Yours, Arialyn Click here to see answer by bucky(2189)

 Question 102471: Simplify? the square root of 16z to the 12 power Click here to see answer by jim_thompson5910(28536)
 Question 102471: Simplify? the square root of 16z to the 12 power Click here to see answer by Fombitz(13828)

 Question 102760: "If 5 to the 21st power * 4 to the 11th power = 2 * 10 to the nth power, what is the value of n?" With a calculator, the answer is 21. However, I would appreciate knowing how to solve this problem without a calculator. Thank you. Click here to see answer by stanbon(57282)

 Question 102999: construct an algebraic expression that represents the specified quantity in the verbal statement. the amount of money in dollars represented by m in dimes and n quarters. Click here to see answer by stanbon(57282)

 Question 104236: what is the last non zero digit of 96! ? Click here to see answer by MathLover1(6625)

 Question 104541: Nlog base 2 N=3500 I tried base changes log 3500=log N^N/(log 2) (log 3500) (log 2)=log N^N (3.54)(.301)=log N^N 1.066=log N^N 10^1.066=N^N 11.62=N^N N is about 3.4 It doesn't check out Help please Click here to see answer by stanbon(57282)

 Question 104509: i'm not sure how to solve this problem: (-3x^3y^2)(-2xy^-3)/-9x^2y^-5 Click here to see answer by edjones(7569)

 Question 105217: i have been working on the problem and not figuring out where they got there answer if someone could explain it to me...... (3x+7)exponent of 2 outside of () Click here to see answer by edjones(7569)
 Question 105217: i have been working on the problem and not figuring out where they got there answer if someone could explain it to me...... (3x+7)exponent of 2 outside of () Click here to see answer by checkley75(3666)

 Question 105265: what is 2 to the 98th power divided by 5? All I need to know is the remainder in that problem. Click here to see answer by scott8148(6628)

 Question 105260: Hey I need help on number 63 on page 212 please.I gave you the ISBN that is on my textbook. Click here to see answer by elima(1433)

 Question 105469: 3x to the negative 6 power y to the negative 5 power Click here to see answer by checkley75(3666)

 Question 105629: what is 501-n=152 I think I know the answer but I'm not sure. and how did you find out the answer Click here to see answer by tutorcecilia(2152)

 Question 106186: Hi its me again, I have another problem, thank you. (5^8)^4 _______ (5^7)^4 I first expressed 5x5x5x5x5x5x5x5, then I expreseed 5x5x5x5x5x5x5, I must say Iam lost at this point Click here to see answer by stanbon(57282)

 Question 106191: Show that a quick way to square a positive integer ending in five is to place twenty-five after the product of the number formed by the digits preceding the five and the next integer. for example, 65(squared) = 4225 [6x7 (the next integer) =42, then tack on 25] and 125(squared) = 15,625 [12x13 (the next integer) = 156, then tack on 25]. Click here to see answer by Fombitz(13828)

 Question 106924: The question is: What is the greatest positive integer n such that 2^n is a factor of 12^10? I guessed and got the answer correct: 20. But I don't know how to work this problem. Click here to see answer by scott8148(6628)

 Question 106992: How do I write this fraction in simplest form? -10a^3b^2c^3/15ab^4c Thank you Click here to see answer by ptaylor(2048)

 Question 106715: I would really appreciate some help on this question. (7/9)^-1/2 Click here to see answer by HyperBrain(694)

 Question 107258: Could you please take the time to help me solve this problem: Sketch the following exponential functions: f(x) = 2x, g(x) = 3x, and h(x) = ex, where e is the natural number. Identify all intercept points as well as the behaviors of the functions when x is approaching plus and infinity.Thank you so much for helping me. Thank you for helping me. Click here to see answer by bucky(2189)