pollyparker221
pollyparker221 pollyparker221
  • 24-11-2019
  • Mathematics
contestada

help fast plz jdkdkfkgkgj​

help fast plz jdkdkfkgkgj class=

Respuesta :

kkpatel1
kkpatel1 kkpatel1
  • 24-11-2019

Answer:

The last one, (-2/5)(-8/9)(1/3)(2/7)

Step-by-step explanation:

There are some laws that are ALWAYS followed to determine if a product is positive or negative. For example -

(-)(+) = (-)

(-)(-)= (+)

(-)(-)(-)= (-)

Memorizing these rules will be beneficial and help you to do these problems mentally in a matter of seconds. Hoped this helped!

Answer Link

Otras preguntas

What can you infer from the fact that some 300 songs were written about Lindbergh's 1927 flight?
Our galaxy contains roughly 250000000000 stars. How many billion is this?
Our galaxy contains roughly 250000000000 stars. How many billion is this?
Which of the following are not a spore-bearing vascular plant? a. ferns b. cycads c. club mosses d. horsetails
What is 12/16 in it's lowest term
determine the equation in the form y=mx+b for passing through each pair of points (0,8) and (4,3)
use the order of operations to evaluate each expression. 4x4+3
A pork roast was taken out of a hardwood smoker when its internal temperature had reached 180°F and it was allowed to rest in a 75°F house for 20 minutes after
An allergic reaction may increase the number of what?
What is the largest part of the earth: the core,the mantle, or the crust