Sagot :
Answer:
Sequence: 3, 8, 13, 18, 23, 28, 33, 38, 43 ...
7th value: 33
The sum of all numbers up through the 7th: 126
Step-by-step explanation:
definition: an = a1 + f × (n-1)
Sequence: 2, 10, 50, 250, 1250, 6250, 31250, 156250, 781250
7th value : 31250
7th value : 31250