.

Variable Exercises

let birthYear = 1993; let futureYear = 2023; let ageMax = futureYear - birthYear; let ageMin = ageMax - 1;

console.log("I will be either " + ageMin + ' or ' + ageMax + ' in '+ futureYear);

let currentAge = 25; let maxAge = 73 let estSnack = 2; let ageDiff = maxAge - currentAge; let snackNumber = ageDiff * estSnack;

console.log(" You will need " + snackNumber + " snacks to last you until the age of " + maxAge);

let radius = 7 let circumferenceResult = Math.PI * 2 * radius;

console.log("The circumference is " + circumferenceResult );

let areaOfCircle = Math.PI * radius*radius;

console.log("The area is " + areaOfCircle )

let celsius = 21; let tempInCelsius = (celsius*9)/5 + 32;

console.log(celsius + '°C is ' + tempInCelsius + ' °F ');

let farenheit = 83

let tempInFarenheit = ((farenheit - 32)* 5)/9;

console.log(farenheit + '°F is ' + tempInFarenheit + '°C');

What will be logged:


10

 <!-- 6.
```js
let str = 'jel'

str += 'lo'

console.log(str) -->

jello

string