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some times dams have negitives effects

I added the answer below to a link of a Yahoo answer; however, it IS possible to calculate the log of a negative number but you have to work in complex numbers.

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โˆ™ 2009-05-05 15:48:13
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Q: Why can't you have a negative argument in a logarithm- Negative two to the third power equals negative eight so why can't the log of base negative two of negative 8 equal three?
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Related questions

Negative plus negative equals what?

A negative plus a negative equals a negative.

Positive times a negative equals?

positive times negative equals negative. positive times positive equals positive. negative times negative equals positive

What times what equals 30 and also equals negative 11?

Five times six equals thirty. Negative five plus negative six equals negative 11.

What is a positive times a negative?

It is a negative. Always remember this: -A positive times a positive equals a negative -A negative times a negative equals a positive -A negative times a positive equals a negative *This works ONLY for addition and multiplication I hope this info helped you! :)

Negative times a positive equals?

Negative times a positive equals a negative.

What does a negative plus a negative mean?

A negative plus a negative equals a negative.

Negative plus a negative positive?

nope negative plus negative equals a negative -2+(-4)=-6 but negative times negative equals a positive

Negative added to a negative equals?


Negative plus negative equals?

A negative.

Negative times a negative?

A negative times a negative equals a positive

What are the negative and positive rules in math?

A negative times a negative equals a positive A negative times a positive equals a negative A positive times a positive equals a positive

What is 36 divided by negative 6?


What does negative times a negative equal?

A negative times a negative equals a positive.

Find the inverse log of negative 3.1?

The inverse of the logarithm of a number is ten to the number, meaning that the number is the exponent. In this case, 10^-3.1 equals approximately .0007943.

What is negative to times negative two?

Negative times negative is positive. Negative 2 times negative 2 equals positive 4.

What two numbers add together to make -15?

Well there are quite a few numbers that added together will equal negative 15: here are just a few examples: negative 1 plus negative 14 equals negative 15 (-1 + -14 = -15) negative 2 plus negative 13 equals negative 15 (-2 + -13 = -15) negative 3 plus negative 12 equals negative 15 (-3 + -12 = -15) negative 4 plus negative 11 equals negative 15 (-4 + -11 = -15) negative 5 plus negative 10 equals negative 15 (-5 + -10 = -15) negative 6 plus negative 9 equals negative 15 (-6 + -9 = -15) negative 7 plus negative 8 equals negative 15 (-7 + -8 = -15) negative 30 plus positive 15 equals negative 15 (-30 + 15 = -15) negative 29 plus positive 14 equals negative 15 (-29 + 14 = -15) negative 28 plus positive 13 equals negative 15 (-28 + 13 = -15) and on an on it goes.

What is a negative by a positive?

Negative times positive equals negative

Does a negative minus a negative equal a negative?

no it equals a positive

Is the product of a negative integer and its opposite negative?

Negative times positive equals negative.

Explain in your own words how we add numbers with different signs?

Positive plus positive equals positive. Negative plus negative equals negative. Positive greater than negative equals positive. Negative greater than positive equals negative.

What is a negative integer plus a negative integer equals what kind of positive integer?

it cant a negative + negative always equals a positive -Posted By Anonymous 7th Grader it cant be a negative plus a negative equals a negative always -Posted BY Anonymous 7th Grader♥

What is negative infinity plus negative infinity?

Negative infinity plus negative infinity equals negative infinity.

When you are finding the product of multiple numbers how can determine if the product will be positive or negative?

A positive times a positive equals a positive, a negative times a negative equals a positive, a negative times a positive equals a negative(vice versa for the last one)

What does negative 32 plus 7 equals?

It equals negative 25!!

H plus equals 2 x 10-6 M in an aqueous solution What is the pH of this solution?

The logarithm of a product of two numbers is the sum of the logarithms of the two multiplied numbers separately. The logarithm of 2 (to the justified number of significant digits) is 0.30, and the logarithm of 10-6 is -6. The sum is therefore -5.3, and the pH, defined as the negative of the logarithm, is 5.3.