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

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

Question 401530: how would i solve 81 with a negative 3/4 power
Click here to see answer by josmiceli(19441)

Question 401460: Use the laws of exponents to simplify 8.2^7/4 over 8.2 2/7?
Click here to see answer by jsmallt9(3758)

Question 401459: Rewrite (x^5/3)^3/2 using only positive rational exponents?
Click here to see answer by jsmallt9(3758)

Question 402609: What is y=2 over 4+ negative 5. What is the whole equation
Click here to see answer by sofiyac(983)

Question 403473: What is 4 to the -1 exponent?

Click here to see answer by nerdybill(7384)

Question 403473: What is 4 to the -1 exponent?

Click here to see answer by Edwin McCravy(20060)

Question 404262: 8y + 4 over 4 less than negative 3
Click here to see answer by rfer(16322)

Question 404515: (6-i)/(6+3i)
Click here to see answer by Tatiana_Stebko(1539)

Question 404515: (6-i)/(6+3i)
Click here to see answer by solver91311(24713)

Question 404773: Please help me solve this problem: (-10n)^2(-4n^3)3
Click here to see answer by mananth(16946)

Question 404903: the equation is: 3(squared)+ 2(squared) -1(squared)
over
8 divided by 2 times 6 times 1 divided by 6
im asked to simplify. I have attempted this 7 times now and cannot seem to get the correct ans.
Click here to see answer by IWork4Dessert(60)

Question 405836: 25^-3⁄2
Click here to see answer by jsmallt9(3758)

Question 406233: I have to write an equivalent expression without negative exponents.
--- Here is my question
a�b^-3
--------- =
x^3y^-2

could you please help me thanks
Click here to see answer by ankor@dixie-net.com(22740)

Question 406273: what is the decimal approximation of the square root of three
Click here to see answer by Alan3354(69443)

Question 406675:
How do you subract with fractional exponents? 2 5/2 - 2 3/2
Click here to see answer by ewatrrr(24785)

Question 407543: How do you solve one divided by four to the negative 1/4th power?
Click here to see answer by ankor@dixie-net.com(22740)

Question 408005: What is the solution for x/12=x/4-2 What is the solution to this fractional equation
Click here to see answer by Alan3354(69443)

Question 408158: (-16)^1/4

Click here to see answer by katealdridge(100)

Question 408669: 3 to the 10th power over 3 to the 7th power
Click here to see answer by richard1234(7193)

Question 409144: (-3/4)times 3
Click here to see answer by Jeef Gorrdon(26)

Question 410762: y^-5 / 2. I have to write it without a negative exponent.
Click here to see answer by rfer(16322)

Question 410837: Please help me solve this expression: 125^-1/3
Click here to see answer by stanbon(75887)

Question 410835: Please help me solve this expression: (-27)^4/3
Click here to see answer by stanbon(75887)

Question 411136: how do i simplify and write this without negative exponet?
3x^-2 is it 1/9x2???
Click here to see answer by armstrkl(28)

Question 411443: write the number in standard notation
9 * 10 ^4
Click here to see answer by rfer(16322)

Question 411488: write the number in standard notation
9.07 * 10^-2
Click here to see answer by rfadrogane(214)

Question 411900: A doctor collected about 10^-2 liter of blood from a patient to run some tests. The doctor determined that the drop of the patient's blood , or about 10^-6 , contained about 10^7 red blood cells. How many red blood cells did the entire sample contain?
Click here to see answer by shree840(260)

Question 411903: The mass of a grain of salt is about 10^-4 gram.About how many grains of salt are in a box containing 100 grams of salt?
Click here to see answer by shree840(260)

Question 411898: The mass of a certain type of rice is about 10^-2 gram.About how many grains of rice are in a box containing 10^3 grams of rice?
Click here to see answer by mananth(16946)

Question 411901: A seed from an orchid has a mass of 10^-9 gram and is 10^13 times less massive than a seed from a giant fan palm. What is the mass of a seed from the giant fan palm?
Click here to see answer by Alan3354(69443)

Question 412144: Divide the following using long division.
-4x^8+8x^6-16
---------------
4x^4

My answer? -1x^4+2x^2 - 4
---
x^4
Click here to see answer by Alan3354(69443)

Question 413273: Simplify each quotient. Write answer in scientific notation.
(4.5*10^(-6))/(5*10^(-2))
Click here to see answer by rfer(16322)

Question 413294: Simplify each quotient. Write answer in scientific notation.
(4.5*10^(-6))/(5*10^(-2))

Click here to see answer by xminus3(1)

Question 413526: How to solve fractional exponent equations such as these:
6^(4/2)
4^(4/2)
8^(4/2)

Click here to see answer by MathLover1(20850)

Question 413607: (3^3)(3^x)(3^(x-1))=3^12
Click here to see answer by ewatrrr(24785)

Question 413754: why is it you can't leave negative exponents in a final answer?
Click here to see answer by richard1234(7193)

Question 414206: 3^sqare root -1/343 evaluate the given expression, or indiate the root is not a real number
Click here to see answer by stanbon(75887)

Question 413833: -625^-1/4
Click here to see answer by jsmallt9(3758)

Question 414493: m=7/8, 4,-5)
y-(-5)=7/8(x-4)
y+5=7/8 * 8/8-5
64-5=59
y=7/8x-59
Click here to see answer by stanbon(75887)

Question 414805: how do you solve the equation 9/(x+7)=4/(x-3)?
Click here to see answer by rfer(16322)

Question 414933: How do you solve: -8^0 multiplied by 2^-3? please?
Click here to see answer by Gogonati(855)

Question 415026: 2+x/10=5/3
Click here to see answer by woolybear(13)

Question 415043: what how many 5s can go into 1/125 as an exponent

Click here to see answer by stanbon(75887)

Question 415237: use the product rule to simplify the expression.
y*y^8*y^5=

Can you show me how to do this, i dont understand it.
Click here to see answer by solver91311(24713)

Question 415237: use the product rule to simplify the expression.
y*y^8*y^5=

Can you show me how to do this, i dont understand it.
Click here to see answer by josmiceli(19441)

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