Free help with homework

Why join Brainly?

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


the common ratio is 2.5
0 0 0
but how you get the ratio 2.5?
i multiplied the 16 in 2.5.
i try to multiply the 16 in different numbers.
but you have a formula for 2.5?
sir i try to solve a2,a3,a4 using an=a1 r n-1 but the a3 and a4 is not same a3 answer is 160 and the a4 answer is 1080 but when you use simple mutiply like 16x2.5, 40x2.5, 100x2.5, and 250x2.5 you get the correct answer please help me!
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