Answer:
(x)=-
-
Step-by-step explanation:
V = s^3= 343 = 7×7×7
S = 7 cm
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
580 is the correct answer
Hope this helps!
Answer:b is the choice
Step-by-step explanation: