Question

The number whose expanded form is( 2*10^4)+(1+10^2)+(5*10)

Answer 1

$( 2 \times 10 {}^{4} ) + (1 + 10 {}^{2} ) + (5 \times 10) \\ (2 \times 1) + (10 {}^{4} \times 10 {}^{2} ) + (5 \times 10) \\ 2 + 10 {}^{2} + 50 \\ 2 + 10 \times 10 + 50 \\ 2 + 100 + 50 \\ 150 + 2 \\ 152$

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