Monday

April 21, 2014

April 21, 2014

Posted by **Linda** on Sunday, December 18, 2011 at 1:42pm.

Is it -32k to the 8th power or -32k to the 2nd power?

- pre-algebra -
**Steve**, Sunday, December 18, 2011 at 6:18pm(4k^5)(-2k)^3

4^5 k^5 (-2)^3 k^3

1024(-8) k^8

-8196 k^8

Now, if you meant

4(k^5)(-2k)^3

Then you do indeed have

-32k^8

When you have minus signs in the coefficient, they do not affect the exponents. Multiplying powers means add exponents. To get k^2 = k^(5-3), you'd have to have

4k^5(-2k)^-3

= -4/8 k^2

Then you'd have to take a negative power of 2, as well, making it a fraction.

**Related Questions**

pre-algebra - Find the product: (4k^5)(-2k)^3 Is it -32k^8 or -32k^2 I don't ...

grade 9 math - Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-...

intro cal - the first 3 term of a geometric progression are k-4, 2k-4, 4k+4. ...

Pre algebra - 6k+10-4k-2k

MATH - Perform the operation for each equation, if there is a solution [4k -8y...

MATH - Perform the operation for each equation, if there is a solution (Matrices...

PRE-ALGEBRA - How do you solve these inequalities? -2(4k-3)=5(2k)-(-7) 6(2a-3)-3...

Pre-Algebra - Find each product or Quotient. Express using exponents. 1. The ...

DISCRETE MATHS - We need to show that 4 divides 1-n2 whenever n is an odd ...

pre algebra - (8xto the 5th power-5x)(7xto the 3rd power)