How many rational numbers are there with square equal to four ninths? What are all those numbers?

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• 1. The square of a rational number is one ninth. What is its cube?
• 2. Is the negative power of a negative number a positive number
• 3. There are several negative numbers in the cubic power of - 2 (- 1), the quadratic power of - 2, - the cubic power of - 2, - the 2nth power of (- 4), (- 3) 2N-1 N is a positive integer
• 4. 1、 1. The product of two numbers is a positive number, both of which are positive numbers () 2. Any power of a negative number is a negative number () emergency
• 5. The result is expressed in the form of power: (a-b) ^ 5 ÷ (B-A) ^ 4 · (a-b) ^ 8
• 6. If a fixed-point integer has 16 bits, including one sign bit, and is represented by the original code, the maximum negative absolute value is?
• 7. What's the matter with a minus sign before the absolute value sign? For example: | 56 | =? If it is | + π | =? Thank you!
• 8. The absolute value is 5:1, the sign is negative, the number is?
• 9. If it is less than 0, the absolute value will be removed and a negative sign will be added in front of it
• 10. What is correct is to add two negative numbers of a, take a negative sign, and subtract the absolute value, and subtract two opposite numbers of B, the difference is zero
• 11. How many rational numbers are there for square to get 4 / 9? Are there any rational numbers for square to get - 4 / 9?
• 12. The rational number with square 81 is______ The number whose reciprocal equals itself is______ ．
• 13. The rational number with square 81 is______ The number whose reciprocal equals itself is____ . In: - (- 5), - (- 5) & sup2;, - | - 5 |, (- 5) & sup3;. How many negative numbers are there? Please indicate which ones are negative
• 14. The root sign X-2 and (y + 1) are opposite to each other, so we can find the Y power of X
• 15. There are several numbers, the first number is the first power of a, the second is the second power of a, the third is the third power of a... The nth number is the nth power of a, if a The nth number is the nth power of A. if the first power of a is half, each number is equal to the reciprocal of the difference between 1 and the number in front of it, The power of a is 2011, the power of a is 2012, and the power of a is 2013 (3) Calculate the first power of a * the second power of a * the third power of a * the 2011 power of a * the 2012 power of a * the 2013 power of a
• 16. The people's education press has known that a = a + the quadratic power of a + the cubic power of a +. + the 100th power of A (1) When a = 1, find the value of the second power of A (2) When a = - 1, find the value of A (3) When the absolute value of a = 0, find the value of the sixth power of a + half the second power of a + 7
• 17. There is a set of numbers, the first is - (A's Square), the second is (A's fifth power / 2), the third is - (A's eighth power / 3), the third is - (A's fifth power / 2)
• 18. If the rational numbers x and y satisfy the quadratic power of | x + Y-3 | + (X-Y + 1) = 0, find the quadratic power of (x multiplied by the quadratic power of Y) multiplied by the quadratic power of (x multiplied by the quadratic power of Y) Value of
• 19. Given that a B is a rational number, and the square of (a + √ 3) is B, the value of B to the power of a is obtained
• 20. Do not calculate the quadratic power of 4 + 4 + the cubic power of 4 + the quartic power of 4 + +A number to the 50th power of 4 Help to solve this problem. In addition, how to square it