Answer:
D
Step-by-step explanation:
You just have to write it down (7.7.7.7.7.7.7=49)
Answer:
2
Step-by-step explanation:
To find the common ratio, take the second term and divide by the first term
-14/-7 = 2
Check by dividing the third term by the second term
-28/-14 = 2
The common ratio is 2
The property x^axb makes it x^a+b so x^5x-2 ,
Therefore x^-10 is final
