Answer:
2800
Step-by-step explanation:
round 278 to 280
then round 11 to 10
then times the 2 answers together
Answer:
how much percent is off?
Step-by-step explanation:
Since
and
, we have

So, the equation becomes

The solutions to this equation are 4 and -5/2, so I'm afraid there's a typo in your question.
Answer:
Please provide more information like answer choices, or even better a picture!
Step-by-step explanation:
If you'd like to add answer choices, you can simply type them in the comments below.
If you'd like to add a picture, you will have to make a new post.
Very sorry but it's not clear enough!
Hope this helps!