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Answer:
ar⁷= 781,250
Explanation:
a =10
ar =50
ar² = 250
8th term = ar⁷=?
r = ar/a
= 50/10
r =5
ar⁷ = 10 × 5 ⁷
=10 × 78125
= 781,250
781250
The sequence is has common ratio of 5 so the equation is 10*5^x-2 or 2*5^x so 2*5^8=781250