Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions



This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
 In multiplication and division:
If the sign is the same, use the positive sign and multiply the number.
If the sign is different, use the negative sign and multiply the number.
In addition and subtraction:
If the sign is the same, copy the sign and add/multiply the number.
If the sign is different, copy the sign of the higher number and subtract the number.
2 5 2
Same sign keep AND add,different sign subtract :D
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts