Question

Evaluate: 100n2 - 19 if n = 3 what's the answer​

Answer 1

Answer:

I suppose you have written

$100 {n}^{2} - 19 \\ where \: n = 3$

hence you get,

$100 \times {3}^{2} - 19 \\ 100 \times 9 - 19 \\ 900 - 19 \\ = 881$

hence answer is 881