The correct option is D 25888811609× 1609 = (1600+9)^2 = 1600^2 + 9^2 + 2 × 1600 × 9 = 2560000 + 81 + 28800 = 2588881 ...

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Evaluate 1609...

Question

Evaluate $1609 \times 1609$

2588882

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2688881

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2688781

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2588881

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Solution

The correct option is D 2588881
1609 $\times$ 1609
= $(1600 + 9)^{2} = 1600^{2} + 9^{2} + 2 \times 1600 \times 9 = 2560000 + 81 + 28800 = 2588881$

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Similar questions

1609

The remainder when $1690^{2608} + 2608^{1609}$ is divided by 7, is

Which of the following is/are true?

1) $(7 \times 241 + 3)^{2608} = 7 k + 3^{2608}$

2) $(7 \times 372 + 4)^{1609} = 7 m + 4^{1609}$

k and m are positive integers

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