Question

(81:3^2+4.5^2)+1000:10^3

Answer 1

\(\left(81:3^2+4.5^2\right)+1000:10^3\)

\(=\left(3^4:3^2+2^2.5^2\right)+10^3:10^3\)

\(=\left(3^2+10^2\right)+1\)

\(=9+100+1\)

\(=100+10\)

\(=110\)

Answer 2

(81:3^2+4.5^2)+1000:10^3

=(3^4:3^2+2^2.5^2)+10^3:10^3

=9+100+1

=100+10

=110

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