# math

posted by
**Vee**
.

Please help with the below:

Find an expression for the nth term of the given sequence.

a). 3,6, 12,24, ...

b). 151,142,133,124, ...

posted by
**Vee**
.

Please help with the below:

Find an expression for the nth term of the given sequence.

a). 3,6, 12,24, ...

b). 151,142,133,124, ...