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Q: Why the product of two 2-digit numbers must be at least 100?

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Some. Any product of a set of odd numbers will be odd. To be even, a composite number must have at least one even factor. Therefore odd composite numbers must exist.

No. If you have an odd number (for example 5) and an even number (say 2) and you multiply them together, you will get an even number (10). Therefore, just because the product of two numbers are even does not make both the numbers being multiplied together even (although at least one must be).

Yes because the product of each pair of negative numbers must be positive.

If their product is -32, that means that one number is negative. we also know that the sum of the numbers is 4 so one number must be at least 4. lets list out the factors of 32-- 1;32--2;16--4;8 the difference of one of them must be 4 so... 8 and -4 are your numbers. hope it helped!

no eg: 9x4=36

Related questions

At least one of the two numbers has to be even, but both can be even.

Because that product would have both of the two numbers as factors, giving it at least a total of 4.

Not necessarily, but at least ''one'' of them must be even, unless the two numbers are both the (irrational) square root of the same even number.

Some. Any product of a set of odd numbers will be odd. To be even, a composite number must have at least one even factor. Therefore odd composite numbers must exist.

One or both of the numbers must be zero.

Yes, it must be.

No. If you have an odd number (for example 5) and an even number (say 2) and you multiply them together, you will get an even number (10). Therefore, just because the product of two numbers are even does not make both the numbers being multiplied together even (although at least one must be).

No. It only means they weren't both odd (or another way, that at least one of them was even). An example would be 8 x 9 = 72; the product is even, yet one of the numbers was odd.

None. The sum or product of any two even numbers must be even.

Yes because the product of each pair of negative numbers must be positive.

no eg: 9x4=36

If their product is -32, that means that one number is negative. we also know that the sum of the numbers is 4 so one number must be at least 4. lets list out the factors of 32-- 1;32--2;16--4;8 the difference of one of them must be 4 so... 8 and -4 are your numbers. hope it helped!

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