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grin007 [14]
3 years ago
5

PLEASE HELP NOWWW f a1 = 7 and an = 5an-1 then find the value of a6

Mathematics
2 answers:
Kay [80]3 years ago
7 0

Answer:

a₆ = 21875

Step-by-step explanation:

Using the recursive rule and a₁ = 7 , then

a₂ = 5a₁ = 5 × 7 = 35

a₃ - 5a₂ = 5 × 35 = 175

a₄ = 5a₃ = 5 × 175 = 875

a₅ = 5a₄ = 5 × 875 = 4375

a₆ = 5a₅ = 5 × 4375 = 21875

MrRa [10]3 years ago
3 0
endisnsmais yesnunlun
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