Questions on Algebra: Exponents and operations on exponents answered by real tutors!

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Algebra: Exponents and operations on exponents

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Question 45314: problem 20 I got wrong.

x + 5y =10
-2x -10y =-20
: Solve each of the following systems by addition.If a unique solution does not exist ,state whether the system is inconsistent or dependent.
Click here to see answer by fractalier(1804)

Question 45911: PLease help me solve this problem. (2a-1) to the 2nd power
Click here to see answer by Nate(3495)

Question 34674: Whenever a problem contains fractions, present your answer in fractional form; reduce to lowest terms, but do not change improper fractions to mixed numbers. No answers are to be expressed as mixed numbers. All fractional coefficients and any multi-term numerators/denominators must be enclosed in parentheses. Assume that all variables in any denominator are nonzero. Express all answers with positive exponents only; evaluate exponents when possible.

Click here to see answer by monica17(5)

Question 46231: I have tried to solve this operation.
(4^3)^2 /64=
the ans I came up with is 64 is that correct.
Another prob I as having trouble with is.
(-2)(4)+5[6-(-2)] divide by (-2)[9+(-5)]
Click here to see answer by Nate(3495)

Question 46230: Please help me solve this equations.I am not sure were to start.
(-6)[2^2-(3+4)]+3=
I need help with this operations.
(-7)[3^2-(3+3)]+6
Click here to see answer by gsmani_iyer(161)

Question 46278: I have an expression (x+2)^2(x-2)^2 I am not sure of the steps to take to get the answer so far I got (x+2)(x+2)(x-2)(x-2) thank you
Click here to see answer by Nate(3495)

Question 46287: 2x^2y(x + y^3 + z^5)
In this type of operation, do you do the part in ( ) first? How would this be done to know what x,y, and z are if you do that part first? Is y going to be the same number on the inside as well as the outside of the ( )? Can you show me how to simplify and show the work please? I am not a genius at Algebra, so please if you have time to show me step-by-step? THANK YOU!!!!!!!!!!!!!!!
Click here to see answer by jake_6233(74)

Question 46356:
Click here to see answer by Nate(3495)

Question 46449: -6^2 + (-1)^4
I am having a hard time with this. I know the left side equals 36, but then what do I do with the right side? Will the answer be a positive since I have two negatives?
Click here to see answer by checkley71(8405)

Question 46634: Can someone help me on this?
I need to perform the indicated operations:
9 - (-2)(-7)
Thanks,
Lyn
Click here to see answer by Nate(3495)

Question 47003: It´s possible to factorize: x^4+16 or it's imposible?
Thank you!
Click here to see answer by Nate(3495)

Question 47390: 17n=1
Click here to see answer by tutorcecilia(2042)

Question 47376: Change into exponential form:
1n 1=0
Click here to see answer by Nate(3495)

Question 48520: 27 exponent 2/3 = (27 exponent 1/3)exponent 2 = 3 exponent 2 = 9 How to you get from step 2 (27 exponent 1/3) exponent 2 to step 3 (3 exponent 2)?
Click here to see answer by tutorcecilia(2042)

Question 48798: Factor completely

21x^2 + 33x + 12

Thank You!!!
Click here to see answer by saltzy57(8)

Question 48807: this is an example
three to the power of zero multiplied by seven to the power of one
(3^0)(7^1)
Click here to see answer by stanbon(26283)

Question 48902: Radical and rational exponent notation are two ways to show the same process.
Explain the similarities between radicals and rational exponent notation.
Provide at least two other examples of mathematical notation or wording denoting the same process.

Click here to see answer by tutorcecilia(2042)

Question 48982: Factor
Click here to see answer by Nate(3495)

Question 48990: How do you find the Powers of the base i?
Click here to see answer by Nate(3495)

Question 48983: Factor
Click here to see answer by tutorcecilia(2042)

Question 49075: |-2^3|
Click here to see answer by checkley71(8405)

Question 49094This question is from textbook introductory algebra
: is answer right

14s-3-7s=9
75-3+3=9+3
7s=12
7 7
s=1.7
This question is from textbook introductory algebra

Click here to see answer by AnlytcPhil(958)

Question 49154: can i get the answere to this algebraic properties
3(2-5)+14=
Click here to see answer by longjonsilver(2297)

Question 49140: simplying expression
9j+4k-2j-7k
p*p*p+3q*3q-q+3p*3q*3q
3y*3y+5x-12x+9y*9y-5
3(x*x-y)+9(x*x+2y)
Click here to see answer by tutorcecilia(2042)

Question 49282: Simplify. 3 CUBEROOT(x^5y^5)
Click here to see answer by AnlytcPhil(958)

Question 49228This question is from textbook iNTRODUCTORY aLGEBRA

: Need help with integer Exponents and the Quotient RuleThis question is from textbook iNTRODUCTORY aLGEBRA

Click here to see answer by consc198(59)

Question 49333: 2and the exponent is 4 and the answer is 2*2*2 how did that happen
Click here to see answer by mszlmb(115)

Question 49570: Hi,
When given a number to use exponents to write in "expanded form", what are the steps in breaking down a number such as 1254.
Thanks,
Faith
Click here to see answer by checkley71(8405)

Question 49591: How do I say 33,400,000,000,000,000,000,000 in words?
Click here to see answer by checkley71(8405)

Question 49588: 2x+3x-3+4x squared+10-x
Click here to see answer by Juhi(44)

Question 49825: f(x)=7x-1, find f(-3)
Click here to see answer by rapaljer(3620)

Question 49797: Write using positive exponents, and simplify if possible.
(-3x^2)^-2
Click here to see answer by gsmani_iyer(161)

Question 49796: simplify please.
(b^2)^-6/b^-4
Click here to see answer by gsmani_iyer(161)

Question 49737: if x and y are positive integers for which 2^x multiplied by 3^y equals 1296. what would be the value of x+y
Click here to see answer by alka(15)

Question 49824: Simplify and evaluate
(x^3y^-1z^6/2x^-3y^8)^5
Click here to see answer by alka(15)

Question 49911: I am doing something wrong. PLease help me.
Simplify each expression:
a. ( -10 )^0
b. 400X^0

Click here to see answer by Nate(3495)

Question 49952: I am have a problem simplifying (x^4y^3z)^3(-2x^3y^4) Please help......
Click here to see answer by mathchemprofessor(65)

Question 50087This question is from textbook Algebra 1

: (-3-2)-1This question is from textbook Algebra 1

Click here to see answer by abcdefg(37)

Question 50112: I am trying to help our daughter with her 7th grade math and being so many years since we were in school, I need help knowing what is what.She is doing problems with integers and I don't even know what it is. Thank-you in advance for any help
Click here to see answer by stanbon(26283)

Question 50123: Hi there this little problem is really causing confusion for me and was wondering if you may have any suggestions.

solve for x
Any suggestions would be a great help
Click here to see answer by stanbon(26283)

Question 50236: I have a problem from a sample asset test and I can't figure out where to look for similar problems in a textbook. The problem is:
5x10^n=0.005 then n=?
A. -5
B. -3
C. -2
D. 2
E. 3

Click here to see answer by stanbon(26283)

Question 50264: Need some help with this one.
Find an exponential function of the form f(x)=ba^x +c with y- intercept 2, horizontal asymptote y = -2, that passes through the point P(1,4).

Click here to see answer by Nate(3495)

Question 50352: Write how you could state the equivalent values in the metric system by using exponents such as 1 kilometer equals 10 to the _______________power?
Click here to see answer by rapaljer(3620)

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