Question

$2 \times {10}^{3} - ( {10}^{2} + \sqrt{4} )$

Answer 1

2×1000-(100+2)
2×1000-102
2000-102=1.898

Answer 2

$2 \times {10}^{3} - ( {10}^{2} + \sqrt{4} ) = \\ \\ 2 \times (1000) - (100 + 2) \\ \\ 2.000 - ( + 102) = 2.000 - 102 = 1898$


Espero ter ajudado!

boa tarde!