Exponentiation and Root in PHP

Задание 1

Raise 2 to the 10 power.

Задание 2

Find the square root of 245.

Задание 3

Given an array:

php<?php
  $arr = [4, 2, 5, 19, 13, 0, 10];
?>

Find the root of the sum of the squares of its elements. Use a foreach loop to solve the problem.