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Judy
TaigaUse the following rules:
1. Any negative number on a temperature scale is colder than any positive number on the same scale.
2. If both numbers are positive, the one with the lower absolute value is colder than the one with the higher absolute value.
3. If both numbers are negative, the number with the higher absolute value is colder than the one with lower absolute value.
In this instance, rule 3 applies; therefore, -2C is less cold than -24C.
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How do you know whether to shade in the circle when putting inequalities on a number line?
If it is 'less than' or 'greater than' or 'not equal' then use an open circle.If it is 'less than or equal to' or 'greater than or equal' then use the shaded circle.
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What do you know about the product if one of the factors is less than one?
The product will be less than the other factor.
