You complete 3 centimeters on your necklace in an hour. Each hour after the first,you triple the length of the necklace. Write an expression using exponents for the length of the necklace after 3 hours.Then find the length.

Answer 1

after n hours, the length is

3*3^(n-1) = 3^n

Now just plug in n=3

Answer 2

21 cm

Answer 3

you complete 3 centimeter of a necklace in a hour.each hour after the first, you triple the length of the necklace.write an expression using exponents for the length of the necklace after 3 hours.then find the length.

Answer 4

27

Answer 5

3 to the 3rd power.
3hrs 3cem.

27cem.

Answer 6

3×3×3 = 27