Question

1, 3, 9, 27, ... What's the pattern rule and the next three numbers?​

Answer 1

Explanation:

1 x 3 = 3 x 3 = 9 x 3 = 27

=> Pattern rule =
`3^(n-1)`

=> The next three numbers = 81 , 243 , 729

Answer 2

multiply by three

Explanation: