Answer:
the first one
the first one Step-by-step explanation:
the first one Step-by-step explanation:from the formula Un =ar^n-1
where a is 2
where a is 2 r = 20/2=10
where a is 2 r = 20/2=10 so Un= 10×2^n-1
that's all.....have fun
I’m pretty sure the answer is B
Answer:
the answer is b
Step-by-step explanation:
got it right on the test
Answer:
85j-6/5j
Step-by-step explanation:
Answer: That would be 15ft