Respuesta :
Answer:
21,42,84,168,336,672, 1,344
Step-by-step explanation:
The pattern is to multiply the previous term by 2 to find the next term. The seventh term should be 1,344.
Answer:0.004
Step-by-step explanation:
an= a1(r) ^ n-1
a7= 1(2/5) ^6