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-18 is the answer to -2x-3 to the 3rd power ....how did u even pass the 6th grade

A positive number times a positive number is always positive. A negative number times a negative number is always positive. Therefore, any square number will be positive. Any number to the fourth power (a square times a square) will always be positive. And so on.

Yes. Odd times odd is odd. Odd times even is even. Even times even is even.

Even, anything times an even = an even

Yes (when the power is a positive integer). It is possible to have powers that are negative, rational, irrational and even complex and there are similar rules for dealing with them.

yes it is

not all the time

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. Odd times even is even.

All multiples of even numbers will equal an even number.

In the prime factorisation of the number, each factor must appear an even number of times.In the prime factorisation of the number, each factor must appear an even number of times.In the prime factorisation of the number, each factor must appear an even number of times.In the prime factorisation of the number, each factor must appear an even number of times.

Sixty-four is several kinds of number. It is an even number It is a two-digit number It is a square number - the second power of 8 -> 8 * 8 = 64 It is a cubic number - the third power of 4 -> 4 * 4 * 4 = 64 It is a 6th power number - the sixth power of 2 -> 2 * 2 * 2 * 2 * 2 * 2 = 64 It is a superperfect number

it would be even. for example 2 times 3 equals 6 and 11 times 20 equals 220 so it would be even

-- The first odd number is some even number plus an extra ' 1 '. -- The second odd number is some even number plus an extra ' 1 '. -- Add them. You get (an even number) + (an even number) + ( 2 ). That's an even number. ======================== Another mind-bending , brain-busting way to look at it : -- The first odd number is some even number plus an extra ' 1 '. -- The second odd number is some even number minus ' 1 '. -- Add them. You get (an even number) + (an even number) + ( [1 - 1] or zero ). That's an even number.

Yes. One has to be the square of an odd number. The other square has to the the square of the even number either before or after the odd number. If this is confusing just plug in real values. In either case, an odd times and odd is odd. Therefore one of the squares has to be odd. AN even times an even, however, is always even. Therefore, the second square has to be even. Thus, one of the squares is even and the other is odd. An even plus and odd is always odd.

When a negative number is raised to an even power the result is a positive number

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. Odd times even is even.

32

its always an even number....im pretty sure.

Let the first number be 'a then the second number is 'a + 2' Then 2a + 3(a + 2) = 86 2a + 3a + 6 = 86 5a = 80 a = 16 therefore a + 2 = 18

The multiplication rule of thumb always states that a negative number times a negative number results in a positive number. Since an even number is always divisible by two, any value raised to an even integer power will result in a positive number. However, a basic proof is presented as follows: (-A) * (-A) = A^2 ((-A) * (-A)) ^ 2 = ((-A * -A) * (-A * -A)) = A^2 * A^2 = A ^ 4 ...

Any such number will be divisible by the even number, and therefore will also be divisible by 2.

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. Even times odd is even/

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. odd to an even will always be odd.

Yes. it is because it is in the 2 times tables and the 2 is an even number too so yes 4 is an even number

first off 7 is a number not a letter and second off it is odd and will never be even. first off 7 is a number not a letter and second off it is odd and will never be even.