Question

find the square of - 19 .​

Answer 1

Answer:

$\left( - 1 9 \right) ^ 2 = 3 6 1$

Step-by-step explanation:

$\left( - 1 9 \right) ^ 2$

$\gray {\mathrm { A p p l y \: e x p o n e n t \: r u l e }: \quad \left( - a \right) ^ n = a ^ n , \: \mathrm{ i f \: } n \mathrm{ \: i s \: e v e n }}$

$\gray {\left( - 1 9 \right) ^ 2 = 1 9 ^ 2 }$

$= 1 9 ^ 2$

$\gray { 1 9 ^ 2 = 3 6 1 }$

$= 3 6 1$

Answer 2

...... square of -19 = 361....

it's right... then why mods delete the answers...