Answer:
100
Step-by-step explanation:
You start with multiplication. -1 * -9 is 9. Then you add 1 and 9, which is 10. Lastly, you do 10 to the second power(10 * 10), which comes out as 100.
An=-31+(n-1)-11 find the eleventh term
a11 = -31 + (-11) (11-1)
a11 = -31 +-11(10)
a11 =-31 +-110
a11 = -142
