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ACT Math 3.2 Intermediate Algebra 319 Views


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Description:

ACT Math: Intermediate Algebra Drill 3, Problem 2. Find the sixth number in the series.

Language:
English Language

Transcript

00:02

And we're gettin' shmoopy with it...

00:05

Find the 6th number: 1, 3, 9, 27, something, something.

00:12

And here are the potential answers...

00:15

OK so what is this question asking?

00:18

Another geometric pattern; each number is simply 3 times the previous number in the sequence.

00:27

But note, they are trying to be sneaky here.

00:30

They don't want the next number in the sequence they want the SIXTH one. So we need to find

00:35

the next TWO

00:36

We have 27 times 3 which gets us 81

00:39

then multiply 3 again to get the 6th number in the series, which is 243.

00:44

Answer: E.

00:46

Nice try, math problem.

00:47

You have to get up a little earlier in the morning to pull the wool over OUR eyes.

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