2 answers
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a) is right
the absolute value of 28 is 28, you probably typed 20 as a typo
28
(a)what is the opposite? -28
(b) what is the absolute value? 20
the absolute value of 28 is 28, you probably typed 20 as a typo
For example, if the number is positive, you make it negative, and if it is negative, you make it positive.
In this case, the opposite of 28 would be -28.
To find the absolute value of a number, you remove the negative sign if the number is negative, or leave it as is if the number is positive.
The absolute value is always a positive or zero value.
So, for the number 28, the absolute value would still be 28.