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Mathematics

Grade6

Easy

Question

Order the numbers from least to greatest: $open vertical bar blank plus blank 25 close vertical bar comma blank open vertical bar negative blank 23.4 close vertical bar comma blank open vertical bar negative blank 18 close vertical bar comma blank open vertical bar blank plus blank 15 close vertical bar$

$|+ 25|, |+ 15|, |- 18|, |+ 23.4|$
$|+ 15|, |- 18|, |- 23.4|, |+ 25|$
$|- 23.4|, |- 18|, |+ 15|, |+ 25|$
$|+ 25|, |- 23.4|, |- 18|, |+ 15|$

hint Hint:

Absolute value is the magnitude of a real number without regard to its sign. Also called modulus.

The correct answer is: $open vertical bar blank plus blank 15 close vertical bar comma blank open vertical bar blank minus blank 18 close vertical bar comma blank open vertical bar blank minus blank 23.4 close vertical bar comma blank open vertical bar blank plus blank 25 close vertical bar$

Step 1: The absolute value of any number other than 0 is always positive.
Step 2: $open vertical bar plus blank 25 close vertical bar equals 25$ , $open vertical bar negative blank 23.4 close vertical bar equals 23.4$ , $open vertical bar blank minus blank 18 close vertical bar equals 18$ , $open vertical bar plus blank 15 close vertical bar equals 15$
The numbers from least to greatest are $open vertical bar blank plus blank 15 close vertical bar comma blank open vertical bar negative blank 18 close vertical bar comma blank open vertical bar negative 23.4 close vertical bar comma blank open vertical bar plus 25 close vertical bar$

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