Asked by Mark

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.
Answered by Steve
after n hours, the length is

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

Now just plug in n=3
Answered by shawn
21 cm
Answered by jack funnes
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.
Answered by Anonymous
27
Answered by Kevin
3 to the 3rd power.
3hrs 3cem.

27cem.
Answered by Noodle
3×3×3 = 27
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