Q: Why is the product positive when there is an even number of negative factors?

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Yes. The product of an odd number (21, in this case) of negative factors will be negative; if the number of negative factors is even, the product will be positive.

The product is also a whole number. If the (number of positive factors) minus the (number of negative factors) is zero or an even number, then the product is positive. Otherwise the product is negative.

If an even number of negative factors are multiplied together (such as 18 factors), the answer will be positive. If there are an odd number of negative factors, the answer will be negative.

The product will be positive in this case.

No. The product of a negative number and a positive number is always negative.

Related questions

If you are multiplying negative numbers, an odd number of factors will have a negative product. An even number of factors will have a positive product.

Positive.

Yes. The product of an odd number (21, in this case) of negative factors will be negative; if the number of negative factors is even, the product will be positive.

The product is also a whole number. If the (number of positive factors) minus the (number of negative factors) is zero or an even number, then the product is positive. Otherwise the product is negative.

If an even number of negative factors are multiplied together (such as 18 factors), the answer will be positive. If there are an odd number of negative factors, the answer will be negative.

The product will be positive in this case.

even

No, only the number of negative factors affect its sign.

It is a negative number, because every pair of negative factors makes a positive, and you have 10 pairs plus one left over.

The sign of the factors. These are the rules: * If there is a zero factor, the product is zero. * If there is an even number of negative factors (two, four, six, etc. odd factors), the product is positive. * If there is an odd number of negative factors (one, three, five, etc. odd factors), the productd is negative.

No. The product of a negative number and a positive number is always negative.

A product that results in a negative number such as multiplication of a positive number with a negative number resulting in a negative number, a negative product.