fix implement 1

Author: Alaterry8

Sprint-3/3-mandatory-implement/1-bmi.js

@@ -15,7 +15,7 @@
 // It should return a string of their Body Mass Index to 1 decimal place
 
 function calculateBMI(weight, height) {
-  return weight / (height*2);
+  return weight / (height**2);
   // return the BMI of someone based off their weight and height
 }
 console.log(`The BMI of Jacob based on his weight and height is ${calculateBMI(75,1.70 )}`);