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Q: What does Multiply 20 by itself mean?

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square? lol. When you multiply something by itself, it's called squaring. when you mulitply itself after it's squared, it's cubed.

Multiply the radius by itself, then multiply the result by Pi.

You multiply your anwser by itself

Any number can multiply itself: prime or composite.

i x i = -1

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Squaring a number means to multiply it by itself, in this case, 20 squared (written 202) = 20 x 20.

Multiply it by itself.

"Of" means to multiply. For example, what is 40% of 20? 20*0.4 =8

It means to multiply the number by 2 or to add it to itself. So if the original number is 10, then double that number would be 20.

Well, a square number is the answer to a number multiplied by itself. So, what you'd have to do is multiply 20*20, and the answer is 400.

Multiply the no. by itself. Ex 5 squared is 25.

it means you sqaure the number (multiply it by itself)

It means to multiply the radius by itself: radius x radius

Three choices, depending on what information you have about the circle: -- Multiply the radius by itself, then multiply the result by (3.1416). -- Multiply the diameter by itself, then multiply the result by (0.7854). -- Multiply the circumference by itself, then multiply the result by (.07958).

The square of 11-20 is the square of -9. To actually calculate the square, multiply -9 by itself.

The definition of squaring a number is to multiply it by itself once.

Any time you multiply an integer with itself, the product is a perfect square.

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