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Oh, what a happy little math problem we have here! To find the number that, when multiplied by itself 4 times, equals 81, we simply need to take the fourth root of 81. So, the number we are looking for is 3. Isn't it wonderful how numbers can come together to create harmony and beauty?
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What number multiplied 4 times by itself equals to 81?
The number is three.
What number multiplied by itself 3 times equals 81?
Oh, dude, that's like some math stuff right there. So, if you're looking for a number that you can multiply by itself three times to get 81, you're basically asking for the cube root of 81. And guess what? The cube root of 81 is 3! So, yeah, 3 multiplied by itself three times equals 81. Math can be cool sometimes, I guess.
What is the square root of 81?
The square root of 81 is: ±9 (9 or -9)A square root is a number which, when multiplied by itself, equals the original number. As 9 x 9 = 81 and -9 x -9 = 81, the answer is plus or minus nine.
What are square number?
Square numbers are the products of numbers that have been multiplied by themselves like 2 x 2 = 4, or 9 X 9 = 81. The squares here are 4 and 81.Numbers that can be made by multiplying another number my itself, like 12 x 12 = 144. So 144 is a square number.By convention and probably also by definition, square numbers and square roots (the numbers multiplied by themselves) are always whole numbers, integers with no factional or decimal parts.A square number is the result of any non-zero integer multiplied by itself.9 is a square number because 3 x 3 = 9.5 is not a square number because there isn't an integer that can be multiplied by itself to make 5.
What is the fourth root of 243?
The fourth root of a number is the number that, when multiplied by itself four times, equals the original number. In this case, the fourth root of 243 is approximately 3. The calculation is done by finding the number that, when raised to the power of 4, equals 243.
