Answer:
512
Step-by-step explanation:
(a)=a*r^( n − 1)
(9)=2*(-2)^( 9− 1)
=512
hope this help
Answer: 9
Step-by-step explanation: 12*12/16
Answer:
12
Step-by-step explanation:
The answer is 3
Add all numbers (21) then divide by 7 (there are seven numbers there)
So the answe is 3