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

Tutors Answer Your Questions about Exponents-negative-and-fractional (FREE)

Question 540956: How would you write negative four over five in simplest form?
Click here to see answer by fcabanski(1391)

Question 543483: hi i really need help with this one problem I do not know where to begin. Thank you so much. problem: h^9 over h^17 it says to divide and simplify, thanks again
Click here to see answer by ankor@dixie-net.com(22740)

Question 543943: how to get the answer for 6-(-8)
Click here to see answer by umnikmo(75)

Question 544158: Please help me understand this. Thanks!
1/(4x + 2) - x/3 = -21/(10x + 5)
Click here to see answer by ankor@dixie-net.com(22740)

Question 544931: simplify and write the expression with positive exponents. u^(-1/5) . u^(-1/5)
A. u^(2/5)
B. 1/u^(1/5)
C. 1/u^(2/5)
D. cannot be simplified
Click here to see answer by mananth(16946)

Question 544934: simplify (m^-12/n^-15)
Click here to see answer by mananth(16946)

Question 545711: Use scientific notation to multiply the following two numbers. Express the answer using scientific notation; retain all nonzero decimal places.
(1.9 � 104) � (8.4 � 105)

Click here to see answer by rfer(16322)

Question 545706: Convert to scientific notation: 0.00101
Click here to see answer by rfer(16322)

Question 545706: Convert to scientific notation: 0.00101
Click here to see answer by saifoo.khan(162)

Question 547457: Given A Cube With Vloume V, You Can Use The Formula P=4v Fraction 1 Over 3 To Find The Perimeter Of One Of The Cube's Square Face. Find The Perimeter Of A Face Of A Cube That Has Volume 125m Square

Click here to see answer by richard1234(7193)

Question 548528: Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.011718x4 + 0.187326x3 � 1.3367x2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old?
Click here to see answer by richard1234(7193)

Question 548918: Hello i am trying to somplify the following problem:
(n to the 3rdpower(m to the 3rd power n to the negative 5th power p to the second) negative4th power)to the 4th power.
thank you
Click here to see answer by mananth(16946)

Question 549361: I need to solve for R in the equation F = 1/5 RW
Click here to see answer by mathie123(224)

Question 549592: Simplify the expression (3x^(-4)y^(5))/((2x^(3)y^(-7))^(-2)) and write the answer using only positive exponents.
Please help!!! Thanks!
Click here to see answer by mathie123(224)

Question 549711: Simplify. 6^2 - (1/2)^3/ 7/8 + 5/12
Just to clarify the 6 sq subtract 1/2 cubed is on top of 7/8 plus 5/12.
Click here to see answer by KMST(5328)

Question 550140: Find the equation of the tangent to the curve y = e^x which
passes through the origin ?
Click here to see answer by stanbon(75887)

Question 550137: What is the sum of all positive integer values of n such (n
+24)/n is an integer?
Click here to see answer by Edwin McCravy(20060)

Question 550138: We have 4 hippos and we weigh them in pairs. After
weighing all possible pairs, we obtain the following list of
the weights of all pairs. Here is the list:
{356,362,374,374,386,392}
What is the sum of the weights of all the 4 hippos?
Click here to see answer by ankor@dixie-net.com(22740)

Question 550919: Evaluate the following expression.
2^ -3
Click here to see answer by jim_thompson5910(35256)

Question 551846: explain why 2 to the negative third power equals 1 over 2 to the third power

Click here to see answer by jim_thompson5910(35256)

Question 551873: what pattern do you discover when solving even-numbered exponents with negative bases?
is it:
A.Solution is always positive.
B.Solution is always negative.
C.Solution depends on the sign of the exponent.
D.None of the Above

Click here to see answer by edjones(8007)

Question 552173: how do i figure (-3) to the 4th power?
Click here to see answer by stanbon(75887)

Question 552685: I'm not sure how to simplify this fraction:
(8t)^3
------
8t^3
Click here to see answer by jim_thompson5910(35256)

Question 552685: I'm not sure how to simplify this fraction:
(8t)^3
------
8t^3
Click here to see answer by Earlsdon(6294)

Question 552863: Subtract.
(9x8 + 2x7 + x6 � 4) � (9x8 + 4x7 + 5x6 � 1)
Click here to see answer by 10301650(32)

Question 553118: How do I write 8^-9 as a positive exponent?
Click here to see answer by jim_thompson5910(35256)

Question 553118: How do I write 8^-9 as a positive exponent?
Click here to see answer by nerdybill(7384)

Question 553433: Please help me solve this equation related to solving systems using substitution:
x=y
x+2y=3
Click here to see answer by mananth(16946)

Question 553816: #49
express using a positve exponent
u^-9
Click here to see answer by jim_thompson5910(35256)

Question 554403: Please tell me how to make this problem into a fraction. the problem is -5 to the -3rd power . I have the givin answers on my paper to choose from and they are 1/125 , -1/125 , 1/15 , -1/15 . I do not understand how to work this problem.
Click here to see answer by Maths68(1474)

Question 554492: hi there , how do i express 3 to the power of negative 2 as a fraction?
Click here to see answer by Theo(13342)

Question 554674: I am trying to understand a problem, 6(3rd power) multiplyed by 6(negative 2 power), which i get 6 by adding the exponents (3+-2) and get 1, so 6x1=6, but then I try to find it a way my math book tells me to, and i do 6x6x6 and get 216, then do the same for the other and i get -36. But 216x-36 DOES NOT EQUAL 6! what am i doing wrong?
Click here to see answer by jim_thompson5910(35256)

Question 555441: How do to solve 6^ -2 as a fraction?
Click here to see answer by jim_thompson5910(35256)

Question 555453: How do you figure out (x^3)^4
Click here to see answer by jim_thompson5910(35256)

Question 555453: How do you figure out (x^3)^4
Click here to see answer by Hankmanscott(3)

Question 555490: Please help me solve this equation: 2xy^4/5xy^2 x -30xy/2x^2y

Click here to see answer by edjones(8007)

Question 555717: what is 8 to the -2nd power in simplest form?
Click here to see answer by jim_thompson5910(35256)

Question 555712: Evaluate (16/25)^(-4/2) to an exact value.
I have no idea where to even start with this problem, please help me! Thank you
Click here to see answer by Alan3354(69443)

Question 557120: Simplify the following expression, and rewrite it in an equivalent form with positive exponents.
(4x^-3)^-4

Click here to see answer by stanbon(75887)

Question 557339: Write an equivalent expression using negative exponents 6 over y to the third power
Click here to see answer by Theo(13342)

Question 558330: please help me to solve this problem: (-15y^2z) (-2y^2z^0) im confused, i don't know if i have to multiply or divide
Click here to see answer by JBarnum(2146)

Question 558782: I don't understand how to solve a fraction to a negative (whole number) exponent. Can you please explain it to me?

Click here to see answer by stanbon(75887)

Question 558782: I don't understand how to solve a fraction to a negative (whole number) exponent. Can you please explain it to me?

Click here to see answer by rapaljer(4671)

Question 559989: help: x^1/7*y^1/6*z^1/3
Click here to see answer by Alan3354(69443)

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