$\"\"$

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

The word “radius r of the sphere cubed” indicates r³. $\"\"$

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

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

$\"\"$ (Substitute r = 4 )

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

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

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