# math

posted by
**Riana**
.

t8=1024 and decrease by 2/3. what will be the sum of the first 7 term.

i don't know what shud i do first to solve it.

posted by
**Riana**
.

t8=1024 and decrease by 2/3. what will be the sum of the first 7 term.

i don't know what shud i do first to solve it.