Q: What is the opposite of 0.3 on a number line?

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The opposite of 0.1 is -0.1. In mathematics, the opposite of a number is the number that, when added to the original number, equals zero. Since 0.1 is a positive number, its opposite would be a negative number with the same magnitude but in the opposite direction on the number line.

I suppose you mean what is an opposite reciprocal? At any rate, we should start there. The opposite reciprocal is -(1/x) so let's take the number 5. The opposite reciprocal would be -1/5. If you want two lines to be perpendicular you must take the original slope of the first line and change it to its opposite reciprocal. For example: y=5x A line perpendicular to this line would be y=-1/5x.

The opposite of an even number is an odd number.

In number systems , the opposite of the number can be represented by changing and reversing the sign of the number. If 0.93 is the number then the opposite of the number would be -0.93

On a die, the number opposite 4 is 3.

Related questions

By numbers at the same distance but on opposite sides of zero.

A question like this is usually referring to the number line. The opposite of 68 would be -68, on the negative side of the number line.

The answer will depend on what you mean by "opposite": the additive inverse or the multiplicative inverse.

They are the numbers that are placed on a number line that are exact same distance away from 0

A straight line with no end points such as the number line

additive inverse

The additive inverse.

Opposite, as in additive inverse, is +4. Opposite, as in multiplicative inverse, is -1/4

- 200 would be the opposite of 200 on the number line. 1/200 is the reciprocal of 200.

That completely depends on what line it's opposite from.

Two numbers that are the same distance from zero on the number line but are on opposite sides of zero are opposite numbers, or opposites. The opposite of a number is called its additive inverse. The opposite of 78 is -78.

equidistant from zero on a standard number line