Sum of n terms in a geometric progression is given by Sn = a1 (1 - r^n) / (1 -r)
3( 1 - 4^6) / (1-4)
= 4,095
Answer:
Answers below
Step-by-step explanation:
1) 4 (x+4)
2) 4x + 16
3) 2x+8
4) 2x+8
5) 3x+9
Answer:
13
Step-by-step explanation:
because a is the missing number. Well, 21 minus or - 8 is equal to 13.
area=base x height so i’m thinking it’s 4x17=68
92.6, you round 5 up because of the 8.
