What is the - 2 power of (1 / 2)?

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• 1. 79 + 42 * 79 + 21
• 2. What is the 79th power of 85
• 3. What is the 1 / 3 power of 0.79? Is the third power of a number the root of this number?
• 4. How much is the 79th power of 12 divided by 7? emergency
• 5. (- 2) x power = (- 2) 6 power divided by (- 2) 5x power
• 6. |-4 | - (- 2) to the second power + (- 1) to the third power - 1 divided by 2 =? Quick, quick
• 7. Merge similar terms: 5 (x + y) cubic - 2 (X-Y) quartic - 2 (x + y) cubic + (Y-X) quartic
• 8. Merge the square of homology 3 (X-Y) - 7 (X-Y) + 8 (X-Y) + 6 (X-Y) Square of 3 (X-Y) - 7 (X-Y) + square of 8 (X-Y) + 6 (X-Y)
• 9. The square of 2 (Y-X) - 7 (X-Y) + 6 (X-Y) - 3 (Y-X)
• 10. X-Y = 3 7-x + Y-Y square + x square Given X-Y = 3, find the value of the algebraic formula 7-x + Y - (Y-X) & sup2
• 11. The fourth power of 3 multiplied by the fifth power of 3 minus the second power of 3 multiplied by the sixth power of 3 plus the seventh power of 3 multiplied by negative 3
• 12. -The fourth power of 1 - (1,2-2,3) divided by the third power of 1,3 * [- 2 - (- 3)] - | 0.5-2|
• 13. Half m fourth power n third power - 5m third power Na + 0.25m square n) divided by - quarter m square n
• 14. If M-N = 3, Mn = 10, then m to the second power + n to the second power= Explain why
• 15. In the equal ratio sequence {an}, a1 + an = 34, A2 * a (n-1) = 64, the first n terms and Sn = 62, find the number of terms n and the value of common ratio Q
• 16. In the equal ratio sequence, A1 = 9 / 8, an = 1 / 3, Sn = 65 / 24, find the common ratio Q and the number of terms n Please help me,
• 17. In the equal ratio sequence {an}, A5 = 162, common ratio q = 3, the first n terms and Sn = 242, find the first term A1 and the number of terms n
• 18. If A1 = 1, an = - 152 and the sum of the first n terms is Sn = - 341, then the common ratio q =? Number of terms =?
• 19. If the equal ratio sequence {an} is known and A4 + A8 = - 2, then the value of A6 (A2 + 2A6 + A10) is () A. 6B. 4C. 8D. -9
• 20. In the known sequence {an}, A2 = 32, a8 = 1 ／ 2, an + 1 ＜ an Let TN = ㏒ 2 (A1) + ㏒ 2 (A2) + ····· + ㏒ 2 (an), find the maximum value of TN and the corresponding n value