An electronic computer can perform 4 * 10 ^ 9 operations per second. How many operations can this computer perform in 10 hours?

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• 1. Which key is the switch of the electronic calculator````` Which key is the switch of electronic calculator? Which key is clear? Good people, please help me
• 2. In common electronic calculators, the four operation keys are (), (), (), ()
• 3. Given any negative number, the calculator is used to calculate the open cube continuously. With the increase of the number of open cubes, the result tends to () A. 0b. 1C. - 1D. Not sure
• 4. How to use the calculator in the attachment to open the cube, such as 15, how to operate The key to which open cube is is not to know which one is open cube
• 5. How to calculate the fifth root of a number with a calculator
• 6. Operation order of real numbers
• 7. Computing real numbers ① Root 3 plus 2 minus the absolute value of root 3 minus one-half of the square ② Negative root 36 plus root 2 and a quarter plus root 27 ③ Root 4 minus 2 divided by absolute value minus 2 times (minus 7 plus 5) ④ The absolute value of one-half square plus one minus the root sign three minus eight under the root sign Please write down the complete steps,
• 8. Operation of real number |1-√2|*1/(1-√2)
• 9. Write an irrational number respectively, so that the sum of the square roots of () and 11 is a rational number, and the product of the square roots of () and 11 is a rational number
• 10. What kind of number's arithmetic square root is the exact value if the arithmetic square root of a number is not a rational number
• 11. An electronic computer can do 10 ^ 10 calculations per second. How many calculations can it do in 5 × 10 seconds
• 12. If an electronic computer performs 10 ^ 10 operations per second, how many operations can it perform in 3 * 10 ^ 5 seconds?
• 13. An electronic computer can do 10 ^ 12 calculations per second. How many calculations can it do when it works for 5 × 10 ^ 6 seconds?
• 14. An electronic computer can perform about 5 × 10 ^ 8 operations per second. How many operations can it perform in 6 × 10 ^ 2 seconds? Such as the title 10 ^ 8 is the eighth power of 10
• 15. An electronic computer can do 10 ^ 8 operations per second. How many operations can it do when it works for 10 ^ 6 seconds? (the results are expressed by scientific notation)
• 16. An electronic computer can do 108 calculations per second. It can work for 8 minutes according to scientific notation______ This is a calculation
• 17. When a student used a calculator to calculate the average of 30 data, he mistakenly input one of the data 108 as 18, so what is the difference between the average and the actual average?
• 18. How to calculate the equation For example: 5x + 6 = 11
• 19. When he finished, the computer showed that only (n-1) numbers were entered, and the average number was 35 and 5 / 7. What is the number entered at the end
• 20. How to use C language to calculate the average? The number of input data is uncertain! I don't need to input the number