Any number whose absolute value is less than 1 can be expressed as () by scientific counting method, where n is a positive integer and a satisfies ()

Any number whose absolute value is less than 1 can be expressed by scientific counting method (in the form of the nth power of a × 10), where n is an integer and a satisfies (1 ≤| a)|

RELATED INFORMATIONS

1. -What is the result of the opposite number of the absolute value of 7 plus the opposite number of - 3 (☆_ ☆)（＾_ ＾）*\(^o^)/*
2. Given that a and B are opposite numbers, C and D are reciprocal, the absolute value of X is 8, find CD + A + B - | X|
3. It is known that a and B are opposite to each other, C and D are reciprocal to each other, and the absolute value of X is 5. Try to find the value of 2x - (a + B + CD) x1998 + (- CD) 1999 There is no multiplication sign in the formula, it's X!
4. -The product of the reciprocal of 2 / 7 and the number whose absolute value is 2 / 21 is () A. 1 / 3 B. - 1 / 3 C. 1 out of 3 d. 4 out of 147
5. If the absolute values of two numbers are equal, then two numbers are equal;
6. If the sum of the absolute values of two numbers is known to be 0, then the two numbers are zero
7. If two numbers 7 and - 15 are known, what is the absolute value of these two numbers? What is the sum of the absolute values of these two numbers?
8. What is the relationship between the absolute values of two opposite numbers?
9. Given that two numbers are 3 and - 5, the absolute value of the sum of these two numbers is______ The sum of the absolute values of these two numbers is______ The sum of the opposite numbers of these two numbers is______ The opposite of the sum of these two numbers is______ ．
10. If the absolute values of two numbers are 3 and 5 respectively, find the sum of the two numbers
11. Scientific notation denotes the following numbers -870000 by scientific notation: 3.96 million scientific notation: What is the index of the last 10 digits of a nine digit scientific notation_______ If there is a number recorded in scientific notation, the exponent of 10 is 19, then the number has______ Bit integer
12. Scientific notation shows the following numbers 6.4 million square kilometers = () square kilometers - 38700 000 = () 4.1 times 10 to the 5th power = () 2.5 times 10 to the 13th power = () -8300.12 = () - 1.707 times the 7th power of 10 = () 1701 / 4 = () - 9.75 times the 11th power of 10 = () 10 430 000=（） 110000=（） If there is a power of 8.64 times 10, and a year is 365 days, how many seconds does a year have? 10 years?
13. Absolute value and simple calculation Find the absolute values of the following numbers: (1) Three times root number - 8, (2) root number 17, (3) root number 2 / - 3, (4) root number 3-1.7, (5) 1.4-root number 2 Calculation: accurate to 0.01 (1) Radical 5-radical 3 + 0.145 (2) Cubic radical 6 - (PI) - radical 2 (3) Radical 10 + 2.23 - (PI) (4) (- 4) x root 7 + 2 and root 6 (the result retains three significant digits) If you answer 3 and 4 of the calculation questions correctly, there will be additional points
14. Mathematics on absolute worth calculation 1. Known: a = 8, B = - 8 / 3, find the value of | B | A-A | - B |. 2. Compare the size of M and 2m. 3. If | 2a-1 | + | 3b-2 | = 0, find the value of a + B. 4. Known | - A | = 1, | B | = 1 / 3, find the value of | a | + B
15. Let FX = the third power of X - 1 / 2x & # 178; - 2x + 5-m, when x ∈ [- 1,2], FX
16. In the polynomial 6a-2a3x3y-8 + 4x5, the coefficients and constants of the highest order terms are () A. 2 and 8b. 4 and - 8C. 6 and 8D. - 2 and - 8
17. The second power of polynomial 2x + the third power of 4x - 3 is the - degree - term formula, and the constant term is -
18. Given X / X & # 178; - x + 1 = 1 / 5, find the value of X & # 178 / X4 power + X & # 178; + 1
19. The minimum value of (x + 1) ² - 6 is (), and the power of x = ()
20. Find (1 + x) (1 + x2) (1 + x4) (1 + x8) The limit of.. (n times of 1 + x2)