282 Answered Questions for the topic Exponents

01/02/18

#### Why can’t polynomials have negative exponents?

Polynomials cannot have a variable as a demonenator because that would mean it has a negative exponent. My question is why it cannot have a negative exponent. The simplest answer would be appreciated
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12/12/17

#### Solve the following

1.find the value of Of each of the following, giving your answer an integerLog64+Log692.Let Log3P=6 and Log3Q=7Find Log3(P/Q) By expanding the logarithm 3.Solve the equations below using exponents...
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11/28/17

#### The side length of a square is 9.6x10^5

to find an area of a square is A=a^2, but i can’t find the answer? Or my answer is wrong. please help me! Well appreciated.

11/20/17

#### If 10^2y = 25, determine the value of 10^-y , where y>0.

If 10^2y = 25, determine the value of 10^-y , where y>0.

11/14/17

#### A type of bacteria with 50 bacteria and doubles every hour. write an exponential expression to determine the number of bacteria in 5 hours.

Solve the expression of the number of bacteria.

10/29/17

#### Is 6 and negative 6 considered the same base? (in reference to combining powers with the same base)

When^ dividing or multiplying powers with the same base, you just add or subtract the exponents. If I had an example -6^3 divided by (-6)^2, or 6^3 divided by (-6)^2, can I subtract the exponents?...
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10/19/17

#### An ant farm has 384,000 ants and a year later only 3,840 ants remain. Which power of 10 was the original count divided?

Exponents and powers

10/09/17

#### Simplify each expression. Write answers using positive exponents.

(9x7y-5/3xy4)-2 (3x4y9/2x-2y-6)3
Please show solution thank you!!!

09/29/17

#### How many books must the publisher produce and sell so that the production costs will be equal the money from sales.

The one-time fixed costs will total $30,912 . The variable costs will be $8.50 per book. The publisher will sell the finished product to bookstores at a price of $19 per book. How many books must...
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09/28/17

#### How do I factor problems with multiple exponents and operations?

Here are 2 examples of the problems I am struggling with:
16(11x-13)^2 - 25(2x+7)^2
(2x+3)^7(5x-1)^30(8x+1)^3 - (2x+3)^5(5x-1)^30(8x+1)^5

09/18/17

#### Find all values of b that will make the polynomial a perfect square trinomial: 25z^2 + bz + 9

Use a comma to separate answers.

09/18/17

#### I want to express (1+i)^11 in algebric form by using the trig functions within the process...

For some reason 1+i = root 2 * e ^ pi / 4
which i dont understand how so I would like an explanation for this...

09/06/17

#### Find the solution of the following exponential equation (please answer asap)

2^(18x)=4^(11/2x -5)
inside parentheses means it part of the exponent.

08/24/17

#### (3ab^2)(a^2 c^5) i need help i dont understand it

i dont understand it even tho my teacher explained it please help me

08/05/17

#### What is the greatest factor of 11^17 + 17^11? How do we solve such type of questions?

I've come across many such questions. I wanted to know if there is a shorter way to solve such type of questions, or we have to use the traditional way of first calculating both the numbers and...
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07/30/17

#### If a exponent is within parentheses and than one on the outside, how do I simplify it ?

(5^2)^3 in an equation similar to this, how would I simplify it ?

07/24/17

#### what is -4 ^2 (-4 squared). Online calculators are telling me it is -16.

I understand that -4 ^2 means -4 * itself, -4. this would mean the - cancels out and you are left with 16. However, all these online calculators are telling me it is -16. How? When I punch in -4 *...
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07/17/17

#### I need help with a word problem

The braking distance d (in feet) of a car is divided into two components. One part depends onreaction time. The number of feet for reaction time is about the same as the speed of the carin miles...
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07/17/17

#### How to solve this quadratic equation with the quadratic formula? Help?

Could someone help me with this question step-by-step using the quadratic formula? 3x² + 24x – 144

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