Double width is read from input and area is the square of width. Perform the following tasks: Output width with a maximum of eight digits, showing the decimal point and any trailing Os. Then, output **. Output area in fixed-point notation with a maximum of four digits in the fraction. Then, output" • Output area in scientific notation with a maximum of four digits in the fraction. End with a newline. Ex: If the input is 6.25, then the output is: 6.2500000 39.0625 3.90630+01 Note: cout << showpoint shows the decimal point and any trailing Os even when the fraction (after the decimal point) is zero. 1 #include 2 #include 3 using namespace std; 5 int main() (. 6 7 8 9 10 11 12 13 14 15 16 17 18) double width; double area; cin>> width; area width cout << fixed <

Double width is read from input and area is the square of width. Perform the following tasks: Output width with a maximum of eight digits, showing the decimal point and any trailing Os. Then, output **. Output area in fixed-point notation with a maximum of four digits in the fraction. Then, output" • Output area in scientific notation with a maximum of four digits in the fraction. End with a newline. Ex: If the input is 6.25, then the output is: 6.2500000 39.0625 3.90630+01 Note: cout << showpoint shows the decimal point and any trailing Os even when the fraction (after the decimal point) is zero. 1 #include 2 #include 3 using namespace std; 5 int main() (. 6 7 8 9 10 11 12 13 14 15 16 17 18) double width; double area; cin>> width; area width cout << fixed <

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print(f'{your_value: .2f}') Ex: If the input is: 100 the output is: After 6 hours: 50. 00 mg After 12 hours: 25.00 mg After 24 hours: 6.25 mg Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and 200 mg.
1.write a program to find the average of even and the average of odd numbers from 20 entered numbers. 2.write a program to find the result of the following equation : a2 + b? X = ab + 1 3. write a program to find the following equation if n is even f (n) Зп + 1 if n is odd 4. Write the following equations in visual basic format: ((b²+c² – a²) (2 x b x c)) Cos-1 а. (y-0)*+(x=a)* b. (bsiny - 0) + (bcosy - a) c. b' sin'y + b*cos'y- 2abcosy + a d. е. b(sin'y + cos"Y)- 2abcosy +a f. f (x) = a· ec(x-d) + b
A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print (f.' {your_value:.2f}') Ex: If the input is: 100 the output is: After 6 hours: 50.00 mg After 12 hours: 25.00 mg After 24 hours: 6.25 mg Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and 200 mg. 461710 3116374.qx3zqy7 LAB ACTIVITY 3.14.1: LAB: Input and formatted output: Caffeine levels 1 caffeine_mg = float(input()) Type your code here. 12345 TVI main.py 0/10 Load default template...
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A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print (f' {your_value:.2f}') Ex: If the input is: 100 the output is: After 6 hours: 50.00 mg After 12 hours: 25.00 mg After 24 hours: 6.25 mg Note: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and 200 mg. 461710.3116374.qx3zqy7 LAB ACTIVITY 3.14.1: LAB: Input and formatted output: Caffeine levels 1 caffeine_mg = float(input()) 2 3 main.py 0/10 Load default template...
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