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Positive. A negative number added to a positive would reduce the original to a smaller positive, to zero, or to a negative depending on their relative values but subtracting a negative number from a positive number will always increase the value of the positive.
adding or subtracting them, that would depend on the magnitude of the values; multiplying or dividing would yield a negative product or quotient
Positive values : 1, 2, 3, 4, 5 Positive is a plus. Negative values:-1,-2,-3,-4,-5 Negative is minus.
30
[ -2n ] is positive for all negative values of 'n' .
If you subtract a negative from a positive, add both of their absolute values. If you subtract a positive from a negative, add both of their absolute values and multiply by negative one.
adding or subtracting them, that would depend on the magnitude of the values; multiplying or dividing would yield a negative product or quotient
Positive. A negative number added to a positive would reduce the original to a smaller positive, to zero, or to a negative depending on their relative values but subtracting a negative number from a positive number will always increase the value of the positive.
Positive values : 1, 2, 3, 4, 5 Positive is a plus. Negative values:-1,-2,-3,-4,-5 Negative is minus.
By doing this it aligns all the place values so you can clearly add or subtract the correct place values and get a correct answer. You might say it is an organization technique. Of course if you use a calculator, this is not necessary.
30
[ -2n ] is positive for all negative values of 'n' .
No. Probability values always have to be positive.
That depends on the values of the given numbers but a positive number multiplied by a negative number will be negative
Adding integers, if they have the same sign, add their absolute values and keep the same sign. Subtracting, change the sign of the 2nd number and the add using rules of addition. Multiplying and dividing, Divide the absolute values, if the signs are the same the answer is positive, if the signs are different the answer is negative.
Positive for nonmetals and negative for metals
Subtracting a positive number from a negative number is the same as adding two negative numbers, which is like adding two positive numbers except you're going to the left from zero on the number line instead of to the right. The rule is to add the absolute values (the numbers without the signs) of the two numbers and keep the negative sign. For example, -3 - 5 = (-3) + (-5) = -1 * (3 + 5) = -8.