Question

(9^2 : 5^0 + 1^27 √100-2^1) x 10^3

Answer 1

$( 9^{2} : 5^{0} +1 ^{27} ( \sqrt{100} - 2^{1} ) ]10^{3}$

$[( 81 : 1 +1 ( 10 - 2 ) ] 1000$

[ 81 +1(8) ] 1000

[81 + 8] 1000

[89]1000

89000