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Lesson: Challenging Arithmetic - 22t01

Arithmetic: Exponent Questions, continued 3

[Page 22 of 30]

In-Format Exponent Questions, continued

Task Let's try another one. Select your answer and then click Continue.

If -1 < x < 0, which of the following has the least value?

X 0
X 1
X 2
X 3
X 4
Countinue

Let's begin by eliminating all of the positive values. Choice (1) is out — since anything taken to the zero power equals 1 — as are Choices (3) and (5) — since a negative taken to an even power becomes positive.

Here's where it starts to get a bit tough, so let's try out , and see what happens:

, because it's further to the left on the number line. (It gets tricky when you start dealing with negative numbers.)

Therefore the answer is Choice (2).

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