$\"\"$

The word “times” indicates multiplication and the symbol is “ $\"\"$ ”.

The word “radius $\"\"$ of the sphere cubed” indicates $\"\"$ . $\"\"$

Rewrite the sentence into expression as $\"\"$

Volume of the sphere is $\"\"$ $\"\"$

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Evaluate the power: $\"\"$ )

$\"\"$ (Multiply: $\"\"$ )

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

Volume of the sphere is $\"\"$ .