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 240916: What is 10(c2+c-4)+7c3+9??? and c2 and c3 are c squared and c cubed.
Click here to see answer by AneciaW(1)

Question 240612: Any number that is divisible by 6 can also be divided by 3, 4, 5, or 7?
Click here to see answer by rapaljer(3622)

Question 240620: If the sum of the digits is divisible by 9 that number is also divisible by 9,6,4,and 5
Click here to see answer by solver91311(5072)

Question 239976:
Click here to see answer by JimboP1977(76)

Question 239541: Store is having 15% off sale is the discount price is $178.50 what is the retail price?
Click here to see answer by checkley77(7072)

Question 239281: Nita, a six-year-old, can stretch her legs to take 2 stairs at one time. How many different ways can she climb 6 stairs using any combination of 1 or 2 stairs?
Click here to see answer by Theo(675)

Question 238920: Question: Does (3x^2y^3)^3=9x^6y^9 ? If so, explain the rule.If not,explain what should have been done and why.
Click here to see answer by Alan3354(6092)

Question 238629: Graph the equation. Plot at least three points for the graph.
2x - 6y = 0
Click here to see answer by solver91311(5072)

Question 238690: can you please explain step by step this problem 2a^-2/(2a)^-3 i am really having a hard time thank you in advance the answer i have is 2^4a=16a and i have no idea how they got this answer
Click here to see answer by Alan3354(6092)

Question 238633: Graph the equation
x = 3
Click here to see answer by rapaljer(3622)

Question 237872: I need severe help:
If possible, evaluate 3/x + 2x^2 - 1 when...(If not possible state the reason)
a) x=-1 b) x=0
Click here to see answer by Alan3354(6092)

Question 237886: How can I solve 4to the -squared divided by 4 to the - square
Click here to see answer by College Student(211)

Question 237826: You dive down until you are 9 feet underwater. then you come up 3 feet. where are you in relation to the water surface? use addition and at least one negative number to solve this problem, and show your work.
Click here to see answer by rfer(2688)

Question 237823: Translate the sentences below into numbers and symbols. one-third the difference of ten and x is five.
Click here to see answer by College Student(211)

Question 237713: Find the GCF of the given monomial:
3X^2, 9X^2
My teacher didn't explain this lesson to us but gave us homework. I want to make sure I'm doing this right. I believe I need to factor each one out first:
3 times X times X
3 times 3 times X times X
This means that the common factors would be 3, X and X thus making the answer 3X^2. Is this correct? Thank you.
Click here to see answer by jim_thompson5910(13794)

Question 237679: Factor: 6 - 13x + 6x^2
Click here to see answer by College Student(211)

Question 237473: -1 exponent 6
Click here to see answer by checkley77(7072)

Question 237460: -1 exponent 6
Click here to see answer by College Student(211)

Question 237458: -1 exponent 6
Click here to see answer by solver91311(5072)

Question 237413: how would i simplify?
{ { { 5x^2y/2x^-1y^3 } } }
Click here to see answer by College Student(211)

Question 237448: How would I simplify -3xy/9x^3y^-4
Click here to see answer by stanbon(26291)

Question 237417: How would i find an expression for the area of a triangle?
The triangle is a 45-45-90 degree triangle with the two sides equaling x^2 and 2x^3.
I got the equation y=1/2(2x^3)(x^2) and i am not sure if i am supposed to simplify it, or solve it, or if that is even the right equation.
Click here to see answer by stanbon(26291)

Question 237371: well i wanted to know did yall get the answer cause i couldnt figure it out so do yall know the answer and can yall show me how yall got the answer
Click here to see answer by Alan3354(6092)

Question 237279: simplify
(a^2b^3/c)^0
Click here to see answer by rapaljer(3622)

Question 237270: what is the exponent of 10?
Click here to see answer by rapaljer(3622)

Question 237098: How do you simplify
(3x²y)(-2xy)³

Click here to see answer by cowgirl30(8)

Question 236807: factor: x8 – 3 x7 – 4x6
(the problem is x to the 8th power minus 3x to the the seventh power minus 4x to the sixth power)
Click here to see answer by checkley77(7072)

Question 236765: 8 to the fouth thirds power
Click here to see answer by scott8148(3382)

Question 236538: How do you simplify (3x)^3
Click here to see answer by JimboP1977(76)

Question 236458: I need help solving this word problem please:
A rectangle is 4 cm longer than it is wide. If the length and width are both decreased by 2 cm, the area is decreased by 24 cm2 (I'm trying to type cm squared). Find the dimensions of the original rectangle.
Thank you so very much for your help on this math homework problem.
Click here to see answer by JimboP1977(76)

Question 236456: Solve for the variable C.
F=9/5C + 32

(9/5 is a fraction with the numerator being 9 and the denominator being 5. The variable C is nect to the fraction.)
thank you so very much for help with this homework problem.
Click here to see answer by jim_thompson5910(13794)

Question 236049: I'm not sure if this is the right category?? But can you please explain this to me? I think the argument is correct but I don't know how to explain the process. Thanks sooooo much!!!
Hosni gave the following argument that - (a + b) = -a + -b, for all integers a and b. If the argument is correct, supply the missing reasons. If it is incorrect, explain why not.
-(a + b) = (-1)(a + b)
= (-1)a + (-1)b
= -a + -b

Click here to see answer by stanbon(26291)

Question 236043: I think this is the right category... Can you please explain this? Thanks sooo much!!
Simplify each of the following, if possible. Write your answers in the exponential form a^b.
(a) 2^4 * 2^5 * 2^8
(b) 3^4 + 2 * 3^4
(c) 2^50 * 2^50

Click here to see answer by stanbon(26291)

Question 235905: simplify
12a(to the 5th)/6a
Click here to see answer by nyc_function(260)

Question 235875: (2^5)4 simplify the expression
Click here to see answer by Alan3354(6092)

Question 235773: where can i put parenthesis in this equation to make it equal 52?
15-5+7*2+4
Click here to see answer by josmiceli(3012)

Question 235278: what is the gcf of 5p and 20p to the second power:?

Click here to see answer by stanbon(26291)

Question 235250: { { { 2x^5 X 2x^4 } } }
do you multiply the 2's or do you just leave them the same
Click here to see answer by scott8148(3382)

Question 235079: Can you please help me solve problems such as . What is the value of n? I am trying to assist an algebra student with her homework and teach 5th grade. It has been awhile since I have done algebra. Thank you
Click here to see answer by Theo(675)

Question 234973: simplify the following expression -(-6y+u)+4(u+5y)
Click here to see answer by checkley77(7072)

Question 234669: what is negative 5 to the 5th power times negative 5 to the negative 2nd power
Click here to see answer by Alan3354(6092)

Question 234214: In standard exponents what does 12, base 12 mean?
Click here to see answer by ankor@dixie-net.com(6693)

Question 234576: I need help simplifying this problem:
x^2-2x-8
__________
4-x
Click here to see answer by jsmallt9(594)

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