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

Tutors Answer Your Questions about Exponents (FREE)

Question 1064338: $100x(1+.08)^5-1/.08
Click here to see answer by Boreal(15235)

Question 1064467: Find the mean of the squares of the first 10 counting numbers

Click here to see answer by Fombitz(32388)

Question 1064710: How can I solve 1/4X with a exponent of -2?
Click here to see answer by Boreal(15235)

Question 1064850: Where do I start in order to simplify 5x to the -4 power?
Click here to see answer by Alan3354(69443)

Question 1064850: Where do I start in order to simplify 5x to the -4 power?
Click here to see answer by math_helper(2461)

Question 1064917: solve
(x^3/5)^-1/5
x to the power of three fifths is in parenthesis. negative one fifth is outside. I need to know how to solve this problem.
Click here to see answer by josmiceli(19441)

Question 1065207: A cube has a volume of 7 to the 3rd power cubic centimeters. What is it's surface area?
Click here to see answer by addingup(3677)

Question 1065296: Find the pair of integers (a,b) for which 2^(a+1) + 2^a = 3^(b+2) - 3^b .
Click here to see answer by stanbon(75887)

Question 1065452: Prove that with a= 2 1/4 and b= 3 3/8.
Click here to see answer by Alan3354(69443)

Question 1065452: Prove that with a= 2 1/4 and b= 3 3/8.
Click here to see answer by ikleyn(52748)

Question 1065471: (x^2-y^2+z^2+2yz)/(x+y-z)
Division polynomial
Click here to see answer by Edwin McCravy(20054)

Question 1066095: simplify: (8x^2y^0z^6)^2+3x^2z^12+5y^0z^12
Click here to see answer by Alan3354(69443)

Question 1066096: simplify: -3a^8b^2c^3(5abc^9-11a^2b^4c^6
Click here to see answer by Alan3354(69443)

Question 1066247: what is value of 7 raised to the -3 power
Click here to see answer by Alan3354(69443)

Question 1066693: How do I simplify 31 to the power of 5 times by 31 to the power of 2 over 31 to the power of 3

Click here to see answer by Fombitz(32388)

Question 1067632: Prove That:
5^31�5^29 is divisible by 100.
Format: x^y*100
Click here to see answer by Alan3354(69443)

Question 1067818: I need help with two fifths to third power + one fifth to third power
Click here to see answer by josgarithmetic(39613)

Question 1067818: I need help with two fifths to third power + one fifth to third power
Click here to see answer by MathTherapy(10549)

Question 1067818: I need help with two fifths to third power + one fifth to third power
Click here to see answer by ikleyn(52748)

Question 1067975: Simplify the expression -2(4y^2+3z^3+5)+3(2y^2-5z^3+3)
Click here to see answer by rfer(16322)

Question 1068105: 1. (4^A)(4^2A)
2. 3x * 3x^4
3. (4xy^2)^3
4. 3A(x^3y)
5. X^2z * x^4 * x^2
Click here to see answer by ikleyn(52748)

Question 1068164: 2^-2+3^-1
Click here to see answer by ikleyn(52748)

Question 1068291: the product of 7 and a number, increased by 59, is equivalent to the product of 12 and the sum of the number and 2.
Building 1 is 338 meters taller than B. If the height of the building A is subtracted from twice the height of Building B, the result is 101 meters. How tall is each building?
Click here to see answer by Fombitz(32388)

Question 1068486: 2^(1/x)=1.12
Solve for x
Click here to see answer by ankor@dixie-net.com(22740)

Question 1068657: 〖90〗^a=2 and 〖90〗^b=5,what is 〖45〗^([(1-a-b)/(2-2a)]) ?
Click here to see answer by Fombitz(32388)

Question 1069225: when 2^X - 2^(-x) = 4, then 2^(2x) + 2^(-2x) = ... , and 2^(3x) - 2^(-3X) = ...
Click here to see answer by ikleyn(52748)

Question 1069270: Convert to logarithmic form.
3 Superscript 7 Baseline equals 2187
Click here to see answer by Alan3354(69443)

Question 1069268: Convert to exponential form.
log ⁡ Subscript 4 Baseline 4096equals 6
Choose the correct answer.

4 Superscript 6 Baseline equals 4096

4 Superscript 4096 Baseline equals 6

6 Superscript 4 Baseline equals 4096

4096 Superscript 6 Baseline equals 4

4096 Superscript 4 Baseline equals 6
Click here to see answer by Alan3354(69443)

Question 1069267: If the rate of inflation is 8.6% per year, how much could a camera that now costs $225 be expected to cost 5 years from now?
Round the nearest dollar.
Click here to see answer by Boreal(15235)

Question 1069261: If the compound interest formula is solved for a, we get
a equals StartFraction y Over left-parenthesis 1 plus n right-parenthesis Superscript t EndFraction
where a is the amount that must be deposited now at interest rate n to produce an amount y in t years. How much money would have to be invested at 7.5% per year to accumulate to $10000 in 13 years?
Round to the nearest dollar.
Click here to see answer by KMST(5328)

Question 1069265: A yeast manufacturer finds that the yeast will grow exponentially at a rate of 12.1% per hour. How many kilograms of yeast must the manufacturer start with to obtain 500 kg at the end of 8 h?
Round to the nearest kg.
Click here to see answer by Boreal(15235)

Question 1069479: What is the exponent of 3 -3
Click here to see answer by math_helper(2461)

Question 1069699: Does 9^9^9 = 9^81 or does it equal 9^(387,420,489) ?
Click here to see answer by Edwin McCravy(20054)

Question 1069818: List three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11.
Click here to see answer by Alan3354(69443)

Question 1069932: What is the result of the following

10-10*10+10?
Click here to see answer by Fombitz(32388)

Question 1070043: A to the second power equals 4a

Click here to see answer by Alan3354(69443)

Question 1070032: how many digits are in the number represented by the
expression 2 to the power of 5201 times 5 to the power of
2560 divided by 8 to the power of 882???
please help me I've been stuck on this question for 1 hour now

Click here to see answer by Edwin McCravy(20054)

Question 1070162: find the value of m if 3 to the the power of 3 times 9 to the power of 3 times 27 to the power of 3 times ....19683 to the power of 3 =3 to the power of m.
Click here to see answer by stanbon(75887)

Question 1070203: find the value of m if 3 to the the power of 3 times 9 to the power of 3 times 27 to the power of 3 times ....19683 to the power of 3 =3 to the power of m.
help me plz

Click here to see answer by jorel1380(3719)

Question 1070166: ``find the value of m if 3 to the the power of 3 times 9 to the power of 3 times 27 to the power of 3 times ....19683 to the power of 3 =3 to the power of m.''.
please help
Click here to see answer by jorel1380(3719)

Question 1070259: Doctors use radioactive iodine as a tracer in diagnosing certain thyroid gland disorders.
This type of iodine decays in such a way that the mass remaining after t days is given by the function
m(t) = 6e
−0.087t
where m(t) is measured in grams.
A) Find the initial mass (mass at time t = 0).
B) Find the half-life. Leave the answer in exact form
Click here to see answer by ankor@dixie-net.com(22740)

Question 1070692: Please explain step by step how I work this problem (-8)^-4/3 to get the answer 1/16
Click here to see answer by josgarithmetic(39613)

Question 1070692: Please explain step by step how I work this problem (-8)^-4/3 to get the answer 1/16
Click here to see answer by MathTherapy(10549)

Question 1071129: 2x^-2/3=8
Click here to see answer by Fombitz(32388)

Question 1071129: 2x^-2/3=8
Click here to see answer by MathTherapy(10549)

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