Answer:
19
Step-by-step explanation:
ok is this just a joke?
nine plus ten
9 + 10 = 19
Multiplying a number by 4/5 and then dividing by 2/5 is the same as multiplying by 2
U have an arithmetic sequence with a common difference of 3
A(n) = -4 + (n-1) * 3
Answer:
781250
Step-by-step explanation:
We first need to find the common ratio
-10 /2 = -5
50 / -10 = -5
The common ratio is -5
an = a (r) ^ (n-1)
a9 = 2 ( -5) ^(9-1)
= 2 (-5)^8
=781250
