Question

Q.10² + 20² - 5! = ?note : ! it's a factorial signGoodluck​

Answer 1

Question:-

10² + 20² - 5! = ？

Answer:-

380

Explanation:-

=> 10² + 20² - 5!

=> 100 + 400 - (5 × 4 × 3 × 2 × 1)

=> 100 + 400 - 120

=> 500 - 120

=> 380

Answer 2

$= 10 {}^{2} + 20 {}^{2} - 5! \\ = 100 + 400 - \\ (5 \times 4 \times 3 \times 2 \times 1) \\ = 100 + 400 - 120 \\ = 500 - 120 \\ = 380$