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❶ if | χ - 2 | + (Y - &# 8532;) &# 178; = 0, then the power of Y is X=___ . & # 10103; 3.49x10 & # 8308; (accurate to 10000 bits) ❹ approximate 3.04, accurate to____ Yes, there are____ A significant number ❺ the approximate value obtained by rounding method is 0.380, accurate to____ 486800, accurate to_____ A bit ❻ 180 million accurate to______ The significant number is________ . ❼ when the algebraic formula (a + 2) ² + 5 obtains the minimum value, the value of a is_________ . &#If the rational numbers a and B satisfy | A-B | = B-A, | a | = 2, | B | = 1, then (a + b) &# 179=_________ . The following statement is correct A. The approximate number is 8.96x10-8308, accurate to the percentile B. the approximate number is 53000, accurate to the thousandth C. The approximate number 1.8 and 1.80 have the same meaning If Ⅱ|x - ½ | + (2Y + 1) ² = 0, then the value of X & #178; + Y & #178; is () A.⅜ B.⅛ C.-⅛ D.-⅜ If (B + 1) ² + 3|a-2 | = 0, then the value of a-2b is () A.-4 B.0 C.4 D.2
❶ if | χ - 2 | + (Y - &# 8532;) &# 178; = 0, then the power of Y is X=_ 4/9__ .
❷ 3.49x10 & # 8308; (accurate to 10000 bits) 3x10 & # 8308;
❹ approximate 3.04, accurate to__ Percent__ Yes, there are__ Three__ A significant number
❺ the approximate value obtained by rounding method is 0.380, accurate to__ Thousandth__ 486800, accurate to__ Hundred___ A bit
❻ 180 million accurate to__ Ten million____ The significant number is__ 1、8
❼ when the algebraic formula (a + 2) ² + 5 obtains the minimum value, the value of a is___ -2______ .
&#If the rational numbers a and B satisfy | A-B | = B-A, | a | = 2, | B | = 1, then (a + b) &# 179=___ =-1______ .
The following statement is correct
A. The approximate number is 8.96x10-8308, accurate to the percentile B. the approximate number is 53000, accurate to the thousandth
C. The approximate number 1.8 and 1.80 have the same meaning
If Ⅱ|x - ½ | + (2Y + 1) ² = 0, then the value of X & #178; + Y & #178; is (there is no correct answer: x = 1 / 2, y = - 1 / 2. The original formula = 1 / 2)
A.⅜ B.⅛ C.-⅛ D.-⅜
If (B + 1) ² + 3|a-2 | = 0, then the value of a-2b is (c)
A.-4 B.0 C.4 D.2
It is known that a = 2log5 is the base, B = 2 to the power of 1.1, C = 1 / 2 to the power of - 0.8
How many logarithms greater than 1 can be generated by taking any two different numbers from 1, 2, 3, 4 and 5 as the base and true number of logarithm respectively
2 for the bottom, 3
3 for the bottom. 2
4 for the bottom, 1
1+2+3=6
RELATED INFORMATIONS
- 1. Take any two of the four numbers 2, 3, 4 and 5. Use one as the base of the logarithm and the other as the true number of the logarithm 1) How many different logarithms can be obtained? 2) how many of them are larger than 1?
- 2. Find the value of [LG ^ 2 (5) - LG ^ 2 (2) / lg25-lg4] * log (1 / 2) 1 / 4 + 8 ^ [log (4) (3 / 5) ^ 2]
- 3. How to calculate the logarithm of 16 with 7 as the base? Simplification
- 4. Why is it that if the x power of a is equal to the W power of 70, the 1 / W power of a is equal to the 1 / x power of 70
- 5. How to draw the figure where the square of X is greater than or equal to y
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- 7. It is known that the intersection of the line y = 2x-1 and the two coordinate axes is A.B. if y = 2x2 is translated and passes through two points A.B., then the analytic expression of the translated quadratic function is______ ．
- 8. How to judge the parity of y = SiNx cos + 1 If the problem, please say in detail, the mathematical foundation is not good y=sinx-cosx+1
- 9. Given the function f (x) = x x-m, (x ∈ R), and f (4) = 0, how to draw the image Then the solution set of inequality f (x) > 0 is written according to the image
- 10. Given the function f (x) = x + 1 + X-1 (1), draw the image of F (x) (2) write the minimum value of F (x) according to the image
- 11. Set a = {x | 2 base (x-3) logarithm > 1}, B = {x | 2 X-1 power > 2}, a is contained in B, find the value range of real number a
- 12. Find the value range of X in log (2-x) (x + 3). (2-x) is the subscript
- 13. Let LG2 = A and Lg3 = b be known It is known that LG2 = A and Lg3 = B. let a and B denote the following logarithm （1）lg5 (2) Log (2) 3 (3) Log (12) 25
- 14. Log 3 times the root 3 minus LG root 10 plus log 2 / 3 times the root 2, I don't know if someone can understand it. Let's give it a process
- 15. Logarithm and logarithm operation, help calculate thank you ㏒ 2 ^ 3 = a, ㏒ 3 ^ 7 = B, use a, B to represent ㏒ 42 ^ 56 (2 ^ 3 is the cubic power of 2)
- 16. Why the base of logarithm a must be greater than 0 and less than 0?
- 17. If loga 1 / 2 > 1 is known, the value range of a is obtained
- 18. If the sum of the first m terms of the arithmetic sequence {an} is 30 and the sum of the first 2m terms is 100, then the sum of the first 3M terms of the arithmetic sequence {an} is 30______ ．
- 19. Given the piecewise function f (x) = 1, X is greater than or equal to 0; - 1, X
- 20. Given that the function f (x) = x ^ 2 + X * LG (a + 2) + LGB satisfies f (- 1) = - 2, for all real numbers x, f (x) ≥ 2x, find the value of real number a * B