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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
-8.7*10^5
3.96*10^6
eight
twenty
RELATED INFORMATIONS
- 1. 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 ()
- 2. -What is the result of the opposite number of the absolute value of 7 plus the opposite number of - 3 (☆_ ☆)（＾_ ＾）*\(^o^)/*
- 3. 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|
- 4. 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!
- 5. -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
- 6. If the absolute values of two numbers are equal, then two numbers are equal;
- 7. If the sum of the absolute values of two numbers is known to be 0, then the two numbers are zero
- 8. 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?
- 9. What is the relationship between the absolute values of two opposite numbers?
- 10. 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______ ．
- 11. 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?
- 12. 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
- 13. 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
- 14. Let FX = the third power of X - 1 / 2x & # 178; - 2x + 5-m, when x ∈ [- 1,2], FX
- 15. 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
- 16. The second power of polynomial 2x + the third power of 4x - 3 is the - degree - term formula, and the constant term is -
- 17. Given X / X & # 178; - x + 1 = 1 / 5, find the value of X & # 178 / X4 power + X & # 178; + 1
- 18. The minimum value of (x + 1) ² - 6 is (), and the power of x = ()
- 19. Find (1 + x) (1 + x2) (1 + x4) (1 + x8) The limit of.. (n times of 1 + x2)
- 20. X = 1-A, a ≠ 1, x64 = 1-B simplify (1 + x) (1 + x2) (1 + x4) (1 + x8) (1 + x16) (1 + X32)