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

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Question 745565: We let T = the total change in the level of the lake. Then the problem translate to a sum. T= -5/8 + (-1/6)
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Question 745588: -4/5-(-4/5)

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Question 745994: the lowest point in Aftica is lake Assal, which is 512ft below sea level. The lowest point in South Africa is the valdes Peninsula, which is 131 ft below sea level. how much lower is Lake Assal than Valdes Peninsula?
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Question 746098: please help me with this question, and i dont know if this problem is under the correct category sorry. "simplify each expression below. your answer should contain no parentheses and no negative exponents" 5t^-3 (five t negative cube)
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Question 745595: -9.6+7.4-(-3.9)-(-11)
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Question 745593: 2/3-4/5-(-11/15)+7/10-5/2
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Question 738140: 1.) 3x+12=15/x
2.) 3/x-3=5/x^2-9-2/x+3

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Question 722547: (5y^4)^-3(2y^-2)3
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Question 716654: (a^3/m)^-4
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Question 749470: What is the simplest form of the given expression?
2.9X10^7 / 5.8X10^10

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Question 749956: Please help!
1/3y ^-3

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Question 750612: Hello, I am trying to solve a algebra math problem but not sure what the next step to take is. Please help me understand and help solve this problem, thank you.
Question: Simplify. Not to use negative exponents in answer.
(3m^ -5n)^4
___________ * (-4mn^3)^2
(9m^2n^ -2)
For this problem I start off by making the negative exponents positive by placing 1 to go over the ones that have negative exponents.
1
__
3m^5 and but after I get the negative exponents to be positive, I am not sure what the next step is and what to do with (-4mn^3)^2

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Question 752656: How do I solve an equation where the base is a fraction and the exponent is a negative fraction?
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Question 752656: How do I solve an equation where the base is a fraction and the exponent is a negative fraction?
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Question 753379: How do I make a negative exponent that is in the denominator positive? Do I just move the coefficient to the numerator?
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Question 753379: How do I make a negative exponent that is in the denominator positive? Do I just move the coefficient to the numerator?
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Question 753381: please help me solve this and if possible, can you show me the steps?
3 + X^3 x^2 = 2 + (x^5)^3
___________ __ _______
4 x 4x^10
please note, the 4 is under the first part, the x is under the 2 and the 4X^10 is under the parenthesis section

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Question 753470: (3a^2/4b^2c^3)^-2

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Question 753563: I need help solving for x: ((3x^2)^-1(3x^5)^-2)/(3^-1*x^-2)^3
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Question 755010: What is 4 to the negative 6th power, over (or divided) by 4 to the negative 6th power
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Question 756538: 4/6x-4x+8/3=4/3
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Question 756653: My problem is Integers and figuring when they are positive or negative in the parenthesis. –3 – 5 – (–4)

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Question 756858: (2 over 3) squared. Is it 4/9 or 2/9
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Question 756858: (2 over 3) squared. Is it 4/9 or 2/9
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Question 702580: (-3p)^-2
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Question 746196: What is 1/4 to the X exponent mulitiplied by negative 5
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Question 740956: find the value of x.

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Question 709990: (-5) to the -2 power.
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Question 710389: 243^-2/5=what
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Question 757606: I am having trouble trying to figure out how to solve
(27-2/3)/(27-1/3)

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Question 758443: What is the value of "a" in the following equation
4a=3

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Question 758445: Find the. Equation of the graph with following points. (-2;0) (3;0) (0;3)
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Question 759657: What is the equation of the curve y= square root of x after it is translated 8 units upward?
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Question 759904: can you show me how to work the problem: 12 with an exponent of 3/4 divided by 5 with an exponent of 1/3. If you can tell me how to use a calculator to do it
also would be of great help.

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Question 762034: Choose the correct simplification of the expression 4 over y to the power of negative 3.
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Question 762429: rewrite with positive exponents
x^-1/7 =

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Question 762800: please help me solve this equation! +5ab%5E-5%2F+5%5E-1a%5E-1b%5E4+
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Question 762788: [1/128]^-1/7
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Question 763356: need help in understanding
((2a^5)/3b^-3))^4
and solving
24x^3-14x^2=90x

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Question 737307: ((-3x^3)/4)3
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Question 711396: 10x^-4y^4
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Question 700103: what is -a^-2 if a=-5
Please help.
Thank you.

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Question 748593: Simplify the following expression
(-1/4)^-3

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Question 740405: Simplify x^2 multiplied by y^-4
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Question 745861: find the value of y if 8y2=2/25

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