Which is a perfect square? A 20 B 21 C 24D 25
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Essentially what you're given is the following
The easiest way to approach this problem is to use the given information to find the amount of milk the family consumes over the course of a day.
So now that we know that the family drinks gallons of milk each day, we can multiply by the desired amount of days to discover how much milk the family drinks over that period of time.
So from this, we now know that the family drinks gallons of milk over the course of 4 days.
A geometric series is the collection of an unlimited number of terms with a fixed ratio between them. The value of a₅ is -729.
<h3>What is geometrical series?</h3>A geometric series is the collection of an unlimited number of terms with a fixed ratio between them.
Given the value of a₁=9 and the value of . Therefore, the value of a₅ can be written as,
a₂ = -3(a₁) = -3(9) = -27
a₃ = -3(a₂) = -3(-27) = 81
a₄ = -3(a₃) = -3(81) = -243
a₅ = -3(a₄) = -3(-243) = -729
Hence, the value of a₅ is -729.
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