23 Answered Questions for the topic Rational Exponents

11/29/17

#### What’s the answer of 5x^(2/3) -25=0 ? Is it +5sqrt(5) or +-5sqrt(5)

I have this question in my head when the teacher said it’s +-5sqrt(5) while WolframAlpha said that it’s +5sqrt(5). The main problem is what’s the value of (-1)^(2/3)? I plugged this in Google and...
more

06/14/17

#### Which expression is equivalent to x^-5/3?

A. 1/5 sqrt of x^3
B. 1/3 sqrt of x^5
C. Sqrt of -3 x^5
D. Sqrt of -5 x^3

03/02/17

#### find the rational number which when multiplied by 3/7sq. give the product 81/343

find the rational number which when multiplied by 3/72 give the product 31/343

10/25/16

#### How and What do I do to start?

Meteorologists can determine the duration of a storm by using the function defined by T(D)=0.07 D exponent 3/2, where D is the diameter of the storm in miles and I is the time in hours. Find the...
more

01/25/16

#### solving equations with rational exponents

I'm having a little trouble solving equations when there is a rational exponent. Would you be able to explain how to do the following?
(x+3)^2/3 = 8
(x^2-5)^3/2=27
3x(x-1)^1/2 + 2(x-1)^3/2=0

03/28/15

#### Use rational exponents to write a single radical expression.

Use rational exponents to write a single radical expression.
x^8/15 X y^1/7
x^1/3 X y^-1/5

02/24/15

#### Simplify the rational exponents

Simplify. (If the solution is not a real number, enter NOT REAL.)(125/27)^-2/3

12/07/14

#### I'm confused..

The total wages W in a metropolitan area compared to it's population p can be approximated by a power function of the form W=a*p^(9/8) where a is a constant. About how many times as great does the...
more

08/13/14

#### What is a rational exponent?

What is a rational exponent? How are rational exponents related to radicals? Give an example of how an expression with a rational exponent can be rewritten as a radical expression, and simplify the...
more

07/08/14

#### How would I simplify 25^(3/2), leaving it as a fraction, not a whole number?

Essentially the goal is to simplify 25^(3/2), and leave the answer as a fraction. I always end up with a whole number. Any assistance regarding this would be greatly appreciated, thanks in advance!

07/03/14

#### How do I write -B^-2/3 using radical form?

From what I understand, the integers must be positive before you can convert this unit to radical form.
The Answer I get when I worked it out is as follows:
3√-B^-2
I recognize my error could be...
more

01/24/14

#### Rewrite the rational exponent as a radical expression.3 to the 2 over 3 power, to the 1 over 6 power

subject: use the rational exponent
convert into radical expresssio

02/24/13

#### rational exponents nth roots (3 ^(1/3)) ^(2/5)

rational exponents nth roots
HOW DO YOU GET THE ANSWER FOR THIS? (3 ^(1/3)) ^(2/5)

02/05/13

#### What Is 18 raised to the 1/4 power times 12 raised to the 1/2 power

I need to be shown how to do this please please please!!

12/21/12

#### How do you solve (2^-3)^-3

numbers with negative exponents and parentheses both addition and multiplication of the base numbers in parentheses and with combinations of positive and negative exponenets outside the parentheses.

10/28/12

#### I am working with rational exponents. I have to answer with positive exponents. y 6/7 over y 3/7.

I am working with rational exponents. I have to answer with positive exponents. y 6/7 over y 3/7.
y 6/7
____________
y 3/7

## Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.

Most questions answered within 4 hours.

#### OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.