how many digits are in ( 8 × 10 ^ 10 ) ( 10 × 10 ^ 5 ) ?
the question simplfies to ( 8 × 10 ^ 10 ) ( 10 ^ 6 ) = > 8 * 10 ^ 16 = > will contain 16 zeros + 1 digit 8 = > 17 ans a
add(const_10, add(const_3, const_4))